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Finding the Third Proportional to 99,321.75 and 127,527.75

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Solution

The third proportional to 99,321.75 and 127,527.75 is: 163,743.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,321.75 : 127,527.75 = 127,527.75 : x
  2. Step 2: Convert to fraction form
    99,321.75/127,527.75 = 127,527.75/x
  3. Step 3: Cross multiply
    99,321.75x = 127,527.75 × 127,527.75
  4. Step 4: Simplify right side
    99,321.75x = 16,263,327,020.06
  5. Step 5: Solve for x
    x = 16,263,327,020.06/99,321.75
  6. Step 6: Final answer
    x = 163,743.86

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Why These Related Problems?

These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.