Home / 138,624-297,951

Finding the Third Proportional to 138,624 and 297,951

Calculator

Solution

The third proportional to 138,624 and 297,951 is: 640,399.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,624 : 297,951 = 297,951 : x
  2. Step 2: Convert to fraction form
    138,624/297,951 = 297,951/x
  3. Step 3: Cross multiply
    138,624x = 297,951 × 297,951
  4. Step 4: Simplify right side
    138,624x = 88,774,798,401
  5. Step 5: Solve for x
    x = 88,774,798,401/138,624
  6. Step 6: Final answer
    x = 640,399.92

Related Problems

Find third proportional to 69,312 and 148,975.50
Half scale
Find third proportional to 277,248 and 595,902
Double scale
Find third proportional to 138,626 and 297,955
Similar ratio
Find third proportional to 207,936 and 446,926.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.