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Finding the Third Proportional to 17,023.50 and 36,639

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Solution

The third proportional to 17,023.50 and 36,639 is: 78,856.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,023.50 : 36,639 = 36,639 : x
  2. Step 2: Convert to fraction form
    17,023.50/36,639 = 36,639/x
  3. Step 3: Cross multiply
    17,023.50x = 36,639 × 36,639
  4. Step 4: Simplify right side
    17,023.50x = 1,342,416,321
  5. Step 5: Solve for x
    x = 1,342,416,321/17,023.50
  6. Step 6: Final answer
    x = 78,856.66

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.