Home / 138,760-297,204

Finding the Third Proportional to 138,760 and 297,204

Calculator

Solution

The third proportional to 138,760 and 297,204 is: 636,568.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,760 : 297,204 = 297,204 : x
  2. Step 2: Convert to fraction form
    138,760/297,204 = 297,204/x
  3. Step 3: Cross multiply
    138,760x = 297,204 × 297,204
  4. Step 4: Simplify right side
    138,760x = 88,330,217,616
  5. Step 5: Solve for x
    x = 88,330,217,616/138,760
  6. Step 6: Final answer
    x = 636,568.30

Related Problems

Find third proportional to 69,380 and 148,602
Half scale
Find third proportional to 277,520 and 594,408
Double scale
Find third proportional to 138,762 and 297,208
Similar ratio
Find third proportional to 208,140 and 445,806
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.