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Finding the Third Proportional to 99,750 and 149,286

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Solution

The third proportional to 99,750 and 149,286 is: 223,421.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,750 : 149,286 = 149,286 : x
  2. Step 2: Convert to fraction form
    99,750/149,286 = 149,286/x
  3. Step 3: Cross multiply
    99,750x = 149,286 × 149,286
  4. Step 4: Simplify right side
    99,750x = 22,286,309,796
  5. Step 5: Solve for x
    x = 22,286,309,796/99,750
  6. Step 6: Final answer
    x = 223,421.65

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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.