Home / 309,169,836-666,763,560

Finding the Third Proportional to 309,169,836 and 666,763,560

Calculator

Solution

The third proportional to 309,169,836 and 666,763,560 is: 1,437,959,312.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,169,836 : 666,763,560 = 666,763,560 : x
  2. Step 2: Convert to fraction form
    309,169,836/666,763,560 = 666,763,560/x
  3. Step 3: Cross multiply
    309,169,836x = 666,763,560 × 666,763,560
  4. Step 4: Simplify right side
    309,169,836x = 444,573,644,943,873,600
  5. Step 5: Solve for x
    x = 444,573,644,943,873,600/309,169,836
  6. Step 6: Final answer
    x = 1,437,959,312.90

Related Problems

Find third proportional to 154,584,918 and 333,381,780
Half scale
Find third proportional to 618,339,672 and 1,333,527,120
Double scale
Find third proportional to 309,169,838 and 666,763,564
Similar ratio
Find third proportional to 463,754,754 and 1,000,145,340
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.