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Finding the Third Proportional to 75,132 and 116,275

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Solution

The third proportional to 75,132 and 116,275 is: 179,948.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,132 : 116,275 = 116,275 : x
  2. Step 2: Convert to fraction form
    75,132/116,275 = 116,275/x
  3. Step 3: Cross multiply
    75,132x = 116,275 × 116,275
  4. Step 4: Simplify right side
    75,132x = 13,519,875,625
  5. Step 5: Solve for x
    x = 13,519,875,625/75,132
  6. Step 6: Final answer
    x = 179,948.30

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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.