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Finding the Third Proportional to 91,611 and 134,136

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Solution

The third proportional to 91,611 and 134,136 is: 196,400.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,611 : 134,136 = 134,136 : x
  2. Step 2: Convert to fraction form
    91,611/134,136 = 134,136/x
  3. Step 3: Cross multiply
    91,611x = 134,136 × 134,136
  4. Step 4: Simplify right side
    91,611x = 17,992,466,496
  5. Step 5: Solve for x
    x = 17,992,466,496/91,611
  6. Step 6: Final answer
    x = 196,400.72

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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.