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Finding the Third Proportional to 8,940 and 13,602

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Solution

The third proportional to 8,940 and 13,602 is: 20,695.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,940 : 13,602 = 13,602 : x
  2. Step 2: Convert to fraction form
    8,940/13,602 = 13,602/x
  3. Step 3: Cross multiply
    8,940x = 13,602 × 13,602
  4. Step 4: Simplify right side
    8,940x = 185,014,404
  5. Step 5: Solve for x
    x = 185,014,404/8,940
  6. Step 6: Final answer
    x = 20,695.12

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.