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Finding the Third Proportional to 125,192 and 172,172

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Solution

The third proportional to 125,192 and 172,172 is: 236,781.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,192 : 172,172 = 172,172 : x
  2. Step 2: Convert to fraction form
    125,192/172,172 = 172,172/x
  3. Step 3: Cross multiply
    125,192x = 172,172 × 172,172
  4. Step 4: Simplify right side
    125,192x = 29,643,197,584
  5. Step 5: Solve for x
    x = 29,643,197,584/125,192
  6. Step 6: Final answer
    x = 236,781.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.