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Finding the Third Proportional to 25,479 and 54,630

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Solution

The third proportional to 25,479 and 54,630 is: 117,133.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,479 : 54,630 = 54,630 : x
  2. Step 2: Convert to fraction form
    25,479/54,630 = 54,630/x
  3. Step 3: Cross multiply
    25,479x = 54,630 × 54,630
  4. Step 4: Simplify right side
    25,479x = 2,984,436,900
  5. Step 5: Solve for x
    x = 2,984,436,900/25,479
  6. Step 6: Final answer
    x = 117,133.20

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.