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Finding the Third Proportional to 636,751.13 and 865,216.69

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Solution

The third proportional to 636,751.13 and 865,216.69 is: 1,175,655.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,751.13 : 865,216.69 = 865,216.69 : x
  2. Step 2: Convert to fraction form
    636,751.13/865,216.69 = 865,216.69/x
  3. Step 3: Cross multiply
    636,751.13x = 865,216.69 × 865,216.69
  4. Step 4: Simplify right side
    636,751.13x = 748,599,916,328.47
  5. Step 5: Solve for x
    x = 748,599,916,328.47/636,751.13
  6. Step 6: Final answer
    x = 1,175,655.43

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.