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Finding the Third Proportional to 80,220 and 127,134

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Solution

The third proportional to 80,220 and 127,134 is: 201,484.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,220 : 127,134 = 127,134 : x
  2. Step 2: Convert to fraction form
    80,220/127,134 = 127,134/x
  3. Step 3: Cross multiply
    80,220x = 127,134 × 127,134
  4. Step 4: Simplify right side
    80,220x = 16,163,053,956
  5. Step 5: Solve for x
    x = 16,163,053,956/80,220
  6. Step 6: Final answer
    x = 201,484.09

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.