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Finding the Third Proportional to 91,767 and 133,655

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Solution

The third proportional to 91,767 and 133,655 is: 194,663.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,767 : 133,655 = 133,655 : x
  2. Step 2: Convert to fraction form
    91,767/133,655 = 133,655/x
  3. Step 3: Cross multiply
    91,767x = 133,655 × 133,655
  4. Step 4: Simplify right side
    91,767x = 17,863,659,025
  5. Step 5: Solve for x
    x = 17,863,659,025/91,767
  6. Step 6: Final answer
    x = 194,663.21

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.