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Finding the Third Proportional to 18,864,711 and 40,418,946

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Solution

The third proportional to 18,864,711 and 40,418,946 is: 86,600,382.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,864,711 : 40,418,946 = 40,418,946 : x
  2. Step 2: Convert to fraction form
    18,864,711/40,418,946 = 40,418,946/x
  3. Step 3: Cross multiply
    18,864,711x = 40,418,946 × 40,418,946
  4. Step 4: Simplify right side
    18,864,711x = 1,633,691,195,750,916
  5. Step 5: Solve for x
    x = 1,633,691,195,750,916/18,864,711
  6. Step 6: Final answer
    x = 86,600,382.89

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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.