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Finding the Third Proportional to 165,481 and 357,199

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Solution

The third proportional to 165,481 and 357,199 is: 771,031.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,481 : 357,199 = 357,199 : x
  2. Step 2: Convert to fraction form
    165,481/357,199 = 357,199/x
  3. Step 3: Cross multiply
    165,481x = 357,199 × 357,199
  4. Step 4: Simplify right side
    165,481x = 127,591,125,601
  5. Step 5: Solve for x
    x = 127,591,125,601/165,481
  6. Step 6: Final answer
    x = 771,031.87

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.