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Finding the Third Proportional to 76,192 and 165,488

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Solution

The third proportional to 76,192 and 165,488 is: 359,437.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,192 : 165,488 = 165,488 : x
  2. Step 2: Convert to fraction form
    76,192/165,488 = 165,488/x
  3. Step 3: Cross multiply
    76,192x = 165,488 × 165,488
  4. Step 4: Simplify right side
    76,192x = 27,386,278,144
  5. Step 5: Solve for x
    x = 27,386,278,144/76,192
  6. Step 6: Final answer
    x = 359,437.71

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.