Home / 138,948.75-299,332.13

Finding the Third Proportional to 138,948.75 and 299,332.13

Calculator

Solution

The third proportional to 138,948.75 and 299,332.13 is: 644,840.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,948.75 : 299,332.13 = 299,332.13 : x
  2. Step 2: Convert to fraction form
    138,948.75/299,332.13 = 299,332.13/x
  3. Step 3: Cross multiply
    138,948.75x = 299,332.13 × 299,332.13
  4. Step 4: Simplify right side
    138,948.75x = 89,599,721,057.02
  5. Step 5: Solve for x
    x = 89,599,721,057.02/138,948.75
  6. Step 6: Final answer
    x = 644,840.07

Related Problems

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.