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Finding the Third Proportional to 15,815,262 and 34,530,486

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Solution

The third proportional to 15,815,262 and 34,530,486 is: 75,392,646.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,815,262 : 34,530,486 = 34,530,486 : x
  2. Step 2: Convert to fraction form
    15,815,262/34,530,486 = 34,530,486/x
  3. Step 3: Cross multiply
    15,815,262x = 34,530,486 × 34,530,486
  4. Step 4: Simplify right side
    15,815,262x = 1,192,354,463,396,196
  5. Step 5: Solve for x
    x = 1,192,354,463,396,196/15,815,262
  6. Step 6: Final answer
    x = 75,392,646.89

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.