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Finding the Third Proportional to 3,610,605.38 and 7,929,793.69

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Solution

The third proportional to 3,610,605.38 and 7,929,793.69 is: 17,415,812.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,610,605.38 : 7,929,793.69 = 7,929,793.69 : x
  2. Step 2: Convert to fraction form
    3,610,605.38/7,929,793.69 = 7,929,793.69/x
  3. Step 3: Cross multiply
    3,610,605.38x = 7,929,793.69 × 7,929,793.69
  4. Step 4: Simplify right side
    3,610,605.38x = 62,881,627,926,314.84
  5. Step 5: Solve for x
    x = 62,881,627,926,314.84/3,610,605.38
  6. Step 6: Final answer
    x = 17,415,812.97

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.