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Finding the Third Proportional to 142,186 and 329,167

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Solution

The third proportional to 142,186 and 329,167 is: 762,036.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,186 : 329,167 = 329,167 : x
  2. Step 2: Convert to fraction form
    142,186/329,167 = 329,167/x
  3. Step 3: Cross multiply
    142,186x = 329,167 × 329,167
  4. Step 4: Simplify right side
    142,186x = 108,350,913,889
  5. Step 5: Solve for x
    x = 108,350,913,889/142,186
  6. Step 6: Final answer
    x = 762,036.44

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.