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Finding the Third Proportional to 18,180,769 and 39,245,934

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Solution

The third proportional to 18,180,769 and 39,245,934 is: 84,718,272.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,180,769 : 39,245,934 = 39,245,934 : x
  2. Step 2: Convert to fraction form
    18,180,769/39,245,934 = 39,245,934/x
  3. Step 3: Cross multiply
    18,180,769x = 39,245,934 × 39,245,934
  4. Step 4: Simplify right side
    18,180,769x = 1,540,243,335,532,356
  5. Step 5: Solve for x
    x = 1,540,243,335,532,356/18,180,769
  6. Step 6: Final answer
    x = 84,718,272.12

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.