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Finding the Third Proportional to 681,708 and 1,036,725

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Solution

The third proportional to 681,708 and 1,036,725 is: 1,576,626.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,708 : 1,036,725 = 1,036,725 : x
  2. Step 2: Convert to fraction form
    681,708/1,036,725 = 1,036,725/x
  3. Step 3: Cross multiply
    681,708x = 1,036,725 × 1,036,725
  4. Step 4: Simplify right side
    681,708x = 1,074,798,725,625
  5. Step 5: Solve for x
    x = 1,074,798,725,625/681,708
  6. Step 6: Final answer
    x = 1,576,626.25

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.