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Finding the Third Proportional to 8,699,112 and 20,469,284

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Solution

The third proportional to 8,699,112 and 20,469,284 is: 48,164,868.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,699,112 : 20,469,284 = 20,469,284 : x
  2. Step 2: Convert to fraction form
    8,699,112/20,469,284 = 20,469,284/x
  3. Step 3: Cross multiply
    8,699,112x = 20,469,284 × 20,469,284
  4. Step 4: Simplify right side
    8,699,112x = 418,991,587,472,656
  5. Step 5: Solve for x
    x = 418,991,587,472,656/8,699,112
  6. Step 6: Final answer
    x = 48,164,868.72

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.