Home / 138,806-297,322

Finding the Third Proportional to 138,806 and 297,322

Calculator

Solution

The third proportional to 138,806 and 297,322 is: 636,862.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,806 : 297,322 = 297,322 : x
  2. Step 2: Convert to fraction form
    138,806/297,322 = 297,322/x
  3. Step 3: Cross multiply
    138,806x = 297,322 × 297,322
  4. Step 4: Simplify right side
    138,806x = 88,400,371,684
  5. Step 5: Solve for x
    x = 88,400,371,684/138,806
  6. Step 6: Final answer
    x = 636,862.76

Related Problems

Find third proportional to 69,403 and 148,661
Half scale
Find third proportional to 277,612 and 594,644
Double scale
Find third proportional to 138,808 and 297,326
Similar ratio
Find third proportional to 208,209 and 445,983
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.