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Finding the Third Proportional to 18,504,774 and 40,098,564

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Solution

The third proportional to 18,504,774 and 40,098,564 is: 86,890,811.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,504,774 : 40,098,564 = 40,098,564 : x
  2. Step 2: Convert to fraction form
    18,504,774/40,098,564 = 40,098,564/x
  3. Step 3: Cross multiply
    18,504,774x = 40,098,564 × 40,098,564
  4. Step 4: Simplify right side
    18,504,774x = 1,607,894,834,862,096
  5. Step 5: Solve for x
    x = 1,607,894,834,862,096/18,504,774
  6. Step 6: Final answer
    x = 86,890,811.79

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.