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Finding the Third Proportional to 18,650,743.50 and 40,135,839

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Solution

The third proportional to 18,650,743.50 and 40,135,839 is: 86,371,118.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,650,743.50 : 40,135,839 = 40,135,839 : x
  2. Step 2: Convert to fraction form
    18,650,743.50/40,135,839 = 40,135,839/x
  3. Step 3: Cross multiply
    18,650,743.50x = 40,135,839 × 40,135,839
  4. Step 4: Simplify right side
    18,650,743.50x = 1,610,885,572,233,921
  5. Step 5: Solve for x
    x = 1,610,885,572,233,921/18,650,743.50
  6. Step 6: Final answer
    x = 86,371,118.25

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.