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Finding the Third Proportional to 75,086 and 112,406

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Solution

The third proportional to 75,086 and 112,406 is: 168,275.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,086 : 112,406 = 112,406 : x
  2. Step 2: Convert to fraction form
    75,086/112,406 = 112,406/x
  3. Step 3: Cross multiply
    75,086x = 112,406 × 112,406
  4. Step 4: Simplify right side
    75,086x = 12,635,108,836
  5. Step 5: Solve for x
    x = 12,635,108,836/75,086
  6. Step 6: Final answer
    x = 168,275.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.