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Finding the Third Proportional to 91,347 and 136,560

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Solution

The third proportional to 91,347 and 136,560 is: 204,151.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,347 : 136,560 = 136,560 : x
  2. Step 2: Convert to fraction form
    91,347/136,560 = 136,560/x
  3. Step 3: Cross multiply
    91,347x = 136,560 × 136,560
  4. Step 4: Simplify right side
    91,347x = 18,648,633,600
  5. Step 5: Solve for x
    x = 18,648,633,600/91,347
  6. Step 6: Final answer
    x = 204,151.57

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.