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Finding the Third Proportional to 28,555,857 and 42,897,087

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Solution

The third proportional to 28,555,857 and 42,897,087 is: 64,440,723.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,555,857 : 42,897,087 = 42,897,087 : x
  2. Step 2: Convert to fraction form
    28,555,857/42,897,087 = 42,897,087/x
  3. Step 3: Cross multiply
    28,555,857x = 42,897,087 × 42,897,087
  4. Step 4: Simplify right side
    28,555,857x = 1,840,160,073,085,569
  5. Step 5: Solve for x
    x = 1,840,160,073,085,569/28,555,857
  6. Step 6: Final answer
    x = 64,440,723.07

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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.