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Finding the Third Proportional to 8,777,828 and 18,772,441

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Solution

The third proportional to 8,777,828 and 18,772,441 is: 40,147,123.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,777,828 : 18,772,441 = 18,772,441 : x
  2. Step 2: Convert to fraction form
    8,777,828/18,772,441 = 18,772,441/x
  3. Step 3: Cross multiply
    8,777,828x = 18,772,441 × 18,772,441
  4. Step 4: Simplify right side
    8,777,828x = 352,404,541,098,481
  5. Step 5: Solve for x
    x = 352,404,541,098,481/8,777,828
  6. Step 6: Final answer
    x = 40,147,123.08

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.