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Finding the Third Proportional to 708,616.69 and 729,028.69

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Solution

The third proportional to 708,616.69 and 729,028.69 is: 750,028.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,616.69 : 729,028.69 = 729,028.69 : x
  2. Step 2: Convert to fraction form
    708,616.69/729,028.69 = 729,028.69/x
  3. Step 3: Cross multiply
    708,616.69x = 729,028.69 × 729,028.69
  4. Step 4: Simplify right side
    708,616.69x = 531,482,827,197.97
  5. Step 5: Solve for x
    x = 531,482,827,197.97/708,616.69
  6. Step 6: Final answer
    x = 750,028.66

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Why These Related Problems?

These problems maintain the same ratio (1.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.