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Finding the Third Proportional to 118,405.55 and 166,758.75

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Solution

The third proportional to 118,405.55 and 166,758.75 is: 234,857.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,405.55 : 166,758.75 = 166,758.75 : x
  2. Step 2: Convert to fraction form
    118,405.55/166,758.75 = 166,758.75/x
  3. Step 3: Cross multiply
    118,405.55x = 166,758.75 × 166,758.75
  4. Step 4: Simplify right side
    118,405.55x = 27,808,480,701.56
  5. Step 5: Solve for x
    x = 27,808,480,701.56/118,405.55
  6. Step 6: Final answer
    x = 234,857.92

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.