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Finding the Third Proportional to 322,704 and 709,098

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Solution

The third proportional to 322,704 and 709,098 is: 1,558,146.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,704 : 709,098 = 709,098 : x
  2. Step 2: Convert to fraction form
    322,704/709,098 = 709,098/x
  3. Step 3: Cross multiply
    322,704x = 709,098 × 709,098
  4. Step 4: Simplify right side
    322,704x = 502,819,973,604
  5. Step 5: Solve for x
    x = 502,819,973,604/322,704
  6. Step 6: Final answer
    x = 1,558,146.08

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.