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Finding the Third Proportional to 322,704 and 709,101

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Solution

The third proportional to 322,704 and 709,101 is: 1,558,159.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,704 : 709,101 = 709,101 : x
  2. Step 2: Convert to fraction form
    322,704/709,101 = 709,101/x
  3. Step 3: Cross multiply
    322,704x = 709,101 × 709,101
  4. Step 4: Simplify right side
    322,704x = 502,824,228,201
  5. Step 5: Solve for x
    x = 502,824,228,201/322,704
  6. Step 6: Final answer
    x = 1,558,159.27

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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.