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Finding the Third Proportional to 120,422 and 187,527

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Solution

The third proportional to 120,422 and 187,527 is: 292,026.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,422 : 187,527 = 187,527 : x
  2. Step 2: Convert to fraction form
    120,422/187,527 = 187,527/x
  3. Step 3: Cross multiply
    120,422x = 187,527 × 187,527
  4. Step 4: Simplify right side
    120,422x = 35,166,375,729
  5. Step 5: Solve for x
    x = 35,166,375,729/120,422
  6. Step 6: Final answer
    x = 292,026.17

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.