Home / 257,679-385,333

Finding the Third Proportional to 257,679 and 385,333

Calculator

Solution

The third proportional to 257,679 and 385,333 is: 576,226.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,679 : 385,333 = 385,333 : x
  2. Step 2: Convert to fraction form
    257,679/385,333 = 385,333/x
  3. Step 3: Cross multiply
    257,679x = 385,333 × 385,333
  4. Step 4: Simplify right side
    257,679x = 148,481,520,889
  5. Step 5: Solve for x
    x = 148,481,520,889/257,679
  6. Step 6: Final answer
    x = 576,226.70

Related Problems

Find third proportional to 128,839.50 and 192,666.50
Half scale
Find third proportional to 515,358 and 770,666
Double scale
Find third proportional to 257,681 and 385,336
Similar ratio
Find third proportional to 386,518.50 and 577,999.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.