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Finding the Third Proportional to 60,558 and 91,383

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Solution

The third proportional to 60,558 and 91,383 is: 137,898.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,558 : 91,383 = 91,383 : x
  2. Step 2: Convert to fraction form
    60,558/91,383 = 91,383/x
  3. Step 3: Cross multiply
    60,558x = 91,383 × 91,383
  4. Step 4: Simplify right side
    60,558x = 8,350,852,689
  5. Step 5: Solve for x
    x = 8,350,852,689/60,558
  6. Step 6: Final answer
    x = 137,898.42

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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.