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Finding the Third Proportional to 153,442 and 328,204

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Solution

The third proportional to 153,442 and 328,204 is: 702,010.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,442 : 328,204 = 328,204 : x
  2. Step 2: Convert to fraction form
    153,442/328,204 = 328,204/x
  3. Step 3: Cross multiply
    153,442x = 328,204 × 328,204
  4. Step 4: Simplify right side
    153,442x = 107,717,865,616
  5. Step 5: Solve for x
    x = 107,717,865,616/153,442
  6. Step 6: Final answer
    x = 702,010.31

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.