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Finding the Third Proportional to 58,209 and 125,691

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Solution

The third proportional to 58,209 and 125,691 is: 271,405.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,209 : 125,691 = 125,691 : x
  2. Step 2: Convert to fraction form
    58,209/125,691 = 125,691/x
  3. Step 3: Cross multiply
    58,209x = 125,691 × 125,691
  4. Step 4: Simplify right side
    58,209x = 15,798,227,481
  5. Step 5: Solve for x
    x = 15,798,227,481/58,209
  6. Step 6: Final answer
    x = 271,405.24

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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.