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Finding the Third Proportional to 99,189.75 and 150,861

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Solution

The third proportional to 99,189.75 and 150,861 is: 229,449.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,189.75 : 150,861 = 150,861 : x
  2. Step 2: Convert to fraction form
    99,189.75/150,861 = 150,861/x
  3. Step 3: Cross multiply
    99,189.75x = 150,861 × 150,861
  4. Step 4: Simplify right side
    99,189.75x = 22,759,041,321
  5. Step 5: Solve for x
    x = 22,759,041,321/99,189.75
  6. Step 6: Final answer
    x = 229,449.53

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.