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Finding the Third Proportional to 91,650 and 136,611

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Solution

The third proportional to 91,650 and 136,611 is: 203,628.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,650 : 136,611 = 136,611 : x
  2. Step 2: Convert to fraction form
    91,650/136,611 = 136,611/x
  3. Step 3: Cross multiply
    91,650x = 136,611 × 136,611
  4. Step 4: Simplify right side
    91,650x = 18,662,565,321
  5. Step 5: Solve for x
    x = 18,662,565,321/91,650
  6. Step 6: Final answer
    x = 203,628.65

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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.