Home / 138,126,825.70-207,139,519.27

Finding the Third Proportional to 138,126,825.70 and 207,139,519.27

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Solution

The third proportional to 138,126,825.70 and 207,139,519.27 is: 310,633,218.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,126,825.70 : 207,139,519.27 = 207,139,519.27 : x
  2. Step 2: Convert to fraction form
    138,126,825.70/207,139,519.27 = 207,139,519.27/x
  3. Step 3: Cross multiply
    138,126,825.70x = 207,139,519.27 × 207,139,519.27
  4. Step 4: Simplify right side
    138,126,825.70x = 42,906,780,441,592,160
  5. Step 5: Solve for x
    x = 42,906,780,441,592,160/138,126,825.70
  6. Step 6: Final answer
    x = 310,633,218.59

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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.