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Finding the Third Proportional to 33,630 and 47,522

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Solution

The third proportional to 33,630 and 47,522 is: 67,152.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,630 : 47,522 = 47,522 : x
  2. Step 2: Convert to fraction form
    33,630/47,522 = 47,522/x
  3. Step 3: Cross multiply
    33,630x = 47,522 × 47,522
  4. Step 4: Simplify right side
    33,630x = 2,258,340,484
  5. Step 5: Solve for x
    x = 2,258,340,484/33,630
  6. Step 6: Final answer
    x = 67,152.56

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.