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Finding the Third Proportional to 91,274 and 136,536

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Solution

The third proportional to 91,274 and 136,536 is: 204,243.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,274 : 136,536 = 136,536 : x
  2. Step 2: Convert to fraction form
    91,274/136,536 = 136,536/x
  3. Step 3: Cross multiply
    91,274x = 136,536 × 136,536
  4. Step 4: Simplify right side
    91,274x = 18,642,079,296
  5. Step 5: Solve for x
    x = 18,642,079,296/91,274
  6. Step 6: Final answer
    x = 204,243.04

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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.