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Finding the Third Proportional to 4,489,915.50 and 7,982,559

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Solution

The third proportional to 4,489,915.50 and 7,982,559 is: 14,192,081.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,489,915.50 : 7,982,559 = 7,982,559 : x
  2. Step 2: Convert to fraction form
    4,489,915.50/7,982,559 = 7,982,559/x
  3. Step 3: Cross multiply
    4,489,915.50x = 7,982,559 × 7,982,559
  4. Step 4: Simplify right side
    4,489,915.50x = 63,721,248,188,481
  5. Step 5: Solve for x
    x = 63,721,248,188,481/4,489,915.50
  6. Step 6: Final answer
    x = 14,192,081.83

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.