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Finding the Third Proportional to 717,632 and 1,691,660

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Solution

The third proportional to 717,632 and 1,691,660 is: 3,987,717.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,632 : 1,691,660 = 1,691,660 : x
  2. Step 2: Convert to fraction form
    717,632/1,691,660 = 1,691,660/x
  3. Step 3: Cross multiply
    717,632x = 1,691,660 × 1,691,660
  4. Step 4: Simplify right side
    717,632x = 2,861,713,555,600
  5. Step 5: Solve for x
    x = 2,861,713,555,600/717,632
  6. Step 6: Final answer
    x = 3,987,717.32

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.