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Finding the Third Proportional to 124,517 and 186,903

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Solution

The third proportional to 124,517 and 186,903 is: 280,545.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,517 : 186,903 = 186,903 : x
  2. Step 2: Convert to fraction form
    124,517/186,903 = 186,903/x
  3. Step 3: Cross multiply
    124,517x = 186,903 × 186,903
  4. Step 4: Simplify right side
    124,517x = 34,932,731,409
  5. Step 5: Solve for x
    x = 34,932,731,409/124,517
  6. Step 6: Final answer
    x = 280,545.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.