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Finding the Third Proportional to 738,658.50 and 1,587,663.75

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Solution

The third proportional to 738,658.50 and 1,587,663.75 is: 3,412,505.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,658.50 : 1,587,663.75 = 1,587,663.75 : x
  2. Step 2: Convert to fraction form
    738,658.50/1,587,663.75 = 1,587,663.75/x
  3. Step 3: Cross multiply
    738,658.50x = 1,587,663.75 × 1,587,663.75
  4. Step 4: Simplify right side
    738,658.50x = 2,520,676,183,064.06
  5. Step 5: Solve for x
    x = 2,520,676,183,064.06/738,658.50
  6. Step 6: Final answer
    x = 3,412,505.49

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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.