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Finding the Third Proportional to 75,466 and 102,127

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Solution

The third proportional to 75,466 and 102,127 is: 138,206.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,466 : 102,127 = 102,127 : x
  2. Step 2: Convert to fraction form
    75,466/102,127 = 102,127/x
  3. Step 3: Cross multiply
    75,466x = 102,127 × 102,127
  4. Step 4: Simplify right side
    75,466x = 10,429,924,129
  5. Step 5: Solve for x
    x = 10,429,924,129/75,466
  6. Step 6: Final answer
    x = 138,206.93

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.