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Finding the Third Proportional to 124,390 and 187,624

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Solution

The third proportional to 124,390 and 187,624 is: 283,003.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,390 : 187,624 = 187,624 : x
  2. Step 2: Convert to fraction form
    124,390/187,624 = 187,624/x
  3. Step 3: Cross multiply
    124,390x = 187,624 × 187,624
  4. Step 4: Simplify right side
    124,390x = 35,202,765,376
  5. Step 5: Solve for x
    x = 35,202,765,376/124,390
  6. Step 6: Final answer
    x = 283,003.18

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.