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Finding the Third Proportional to 109,451.25 and 166,384.13

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Solution

The third proportional to 109,451.25 and 166,384.13 is: 252,931.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,451.25 : 166,384.13 = 166,384.13 : x
  2. Step 2: Convert to fraction form
    109,451.25/166,384.13 = 166,384.13/x
  3. Step 3: Cross multiply
    109,451.25x = 166,384.13 × 166,384.13
  4. Step 4: Simplify right side
    109,451.25x = 27,683,677,052.02
  5. Step 5: Solve for x
    x = 27,683,677,052.02/109,451.25
  6. Step 6: Final answer
    x = 252,931.58

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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.