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Finding the Third Proportional to 82,288 and 124,586

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Solution

The third proportional to 82,288 and 124,586 is: 188,626.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,288 : 124,586 = 124,586 : x
  2. Step 2: Convert to fraction form
    82,288/124,586 = 124,586/x
  3. Step 3: Cross multiply
    82,288x = 124,586 × 124,586
  4. Step 4: Simplify right side
    82,288x = 15,521,671,396
  5. Step 5: Solve for x
    x = 15,521,671,396/82,288
  6. Step 6: Final answer
    x = 188,626.18

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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.