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Finding the Third Proportional to 40,428,517.50 and 87,940,539

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Solution

The third proportional to 40,428,517.50 and 87,940,539 is: 191,289,190.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,428,517.50 : 87,940,539 = 87,940,539 : x
  2. Step 2: Convert to fraction form
    40,428,517.50/87,940,539 = 87,940,539/x
  3. Step 3: Cross multiply
    40,428,517.50x = 87,940,539 × 87,940,539
  4. Step 4: Simplify right side
    40,428,517.50x = 7,733,538,399,610,521
  5. Step 5: Solve for x
    x = 7,733,538,399,610,521/40,428,517.50
  6. Step 6: Final answer
    x = 191,289,190.84

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.