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Finding the Third Proportional to 88,676 and 129,556

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Solution

The third proportional to 88,676 and 129,556 is: 189,281.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,676 : 129,556 = 129,556 : x
  2. Step 2: Convert to fraction form
    88,676/129,556 = 129,556/x
  3. Step 3: Cross multiply
    88,676x = 129,556 × 129,556
  4. Step 4: Simplify right side
    88,676x = 16,784,757,136
  5. Step 5: Solve for x
    x = 16,784,757,136/88,676
  6. Step 6: Final answer
    x = 189,281.85

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.