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Finding the Third Proportional to 88,892 and 129,828

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Solution

The third proportional to 88,892 and 129,828 is: 189,615.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,892 : 129,828 = 129,828 : x
  2. Step 2: Convert to fraction form
    88,892/129,828 = 129,828/x
  3. Step 3: Cross multiply
    88,892x = 129,828 × 129,828
  4. Step 4: Simplify right side
    88,892x = 16,855,309,584
  5. Step 5: Solve for x
    x = 16,855,309,584/88,892
  6. Step 6: Final answer
    x = 189,615.60

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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.