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Finding the Third Proportional to 91,245 and 136,494

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Solution

The third proportional to 91,245 and 136,494 is: 204,182.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,245 : 136,494 = 136,494 : x
  2. Step 2: Convert to fraction form
    91,245/136,494 = 136,494/x
  3. Step 3: Cross multiply
    91,245x = 136,494 × 136,494
  4. Step 4: Simplify right side
    91,245x = 18,630,612,036
  5. Step 5: Solve for x
    x = 18,630,612,036/91,245
  6. Step 6: Final answer
    x = 204,182.28

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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.