Home / 309,139,536-666,705,265.50

Finding the Third Proportional to 309,139,536 and 666,705,265.50

Calculator

Solution

The third proportional to 309,139,536 and 666,705,265.50 is: 1,437,848,800.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,139,536 : 666,705,265.50 = 666,705,265.50 : x
  2. Step 2: Convert to fraction form
    309,139,536/666,705,265.50 = 666,705,265.50/x
  3. Step 3: Cross multiply
    309,139,536x = 666,705,265.50 × 666,705,265.50
  4. Step 4: Simplify right side
    309,139,536x = 444,495,911,045,425,472
  5. Step 5: Solve for x
    x = 444,495,911,045,425,472/309,139,536
  6. Step 6: Final answer
    x = 1,437,848,800.57

Related Problems

Find third proportional to 154,569,768 and 333,352,632.75
Half scale
Find third proportional to 618,279,072 and 1,333,410,531
Double scale
Find third proportional to 309,139,538 and 666,705,270
Similar ratio
Find third proportional to 463,709,304 and 1,000,057,898.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.