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Finding the Third Proportional to 112,855.50 and 149,812.88

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Solution

The third proportional to 112,855.50 and 149,812.88 is: 198,872.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,855.50 : 149,812.88 = 149,812.88 : x
  2. Step 2: Convert to fraction form
    112,855.50/149,812.88 = 149,812.88/x
  3. Step 3: Cross multiply
    112,855.50x = 149,812.88 × 149,812.88
  4. Step 4: Simplify right side
    112,855.50x = 22,443,897,515.77
  5. Step 5: Solve for x
    x = 22,443,897,515.77/112,855.50
  6. Step 6: Final answer
    x = 198,872.87

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.