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Finding the Third Proportional to 717,182 and 1,545,015

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Solution

The third proportional to 717,182 and 1,545,015 is: 3,328,403.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,182 : 1,545,015 = 1,545,015 : x
  2. Step 2: Convert to fraction form
    717,182/1,545,015 = 1,545,015/x
  3. Step 3: Cross multiply
    717,182x = 1,545,015 × 1,545,015
  4. Step 4: Simplify right side
    717,182x = 2,387,071,350,225
  5. Step 5: Solve for x
    x = 2,387,071,350,225/717,182
  6. Step 6: Final answer
    x = 3,328,403.88

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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.