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Finding the Third Proportional to 18,067,712 and 38,755,840

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Solution

The third proportional to 18,067,712 and 38,755,840 is: 83,132,559.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,067,712 : 38,755,840 = 38,755,840 : x
  2. Step 2: Convert to fraction form
    18,067,712/38,755,840 = 38,755,840/x
  3. Step 3: Cross multiply
    18,067,712x = 38,755,840 × 38,755,840
  4. Step 4: Simplify right side
    18,067,712x = 1,502,015,134,105,600
  5. Step 5: Solve for x
    x = 1,502,015,134,105,600/18,067,712
  6. Step 6: Final answer
    x = 83,132,559.01

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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.