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Finding the Third Proportional to 88,132 and 117,478

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Solution

The third proportional to 88,132 and 117,478 is: 156,595.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,132 : 117,478 = 117,478 : x
  2. Step 2: Convert to fraction form
    88,132/117,478 = 117,478/x
  3. Step 3: Cross multiply
    88,132x = 117,478 × 117,478
  4. Step 4: Simplify right side
    88,132x = 13,801,080,484
  5. Step 5: Solve for x
    x = 13,801,080,484/88,132
  6. Step 6: Final answer
    x = 156,595.57

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.