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Finding the Third Proportional to 75,899 and 117,271

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Solution

The third proportional to 75,899 and 117,271 is: 181,194.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,899 : 117,271 = 117,271 : x
  2. Step 2: Convert to fraction form
    75,899/117,271 = 117,271/x
  3. Step 3: Cross multiply
    75,899x = 117,271 × 117,271
  4. Step 4: Simplify right side
    75,899x = 13,752,487,441
  5. Step 5: Solve for x
    x = 13,752,487,441/75,899
  6. Step 6: Final answer
    x = 181,194.58

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.