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Finding the Third Proportional to 5,492 and 11,639

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Solution

The third proportional to 5,492 and 11,639 is: 24,666.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,492 : 11,639 = 11,639 : x
  2. Step 2: Convert to fraction form
    5,492/11,639 = 11,639/x
  3. Step 3: Cross multiply
    5,492x = 11,639 × 11,639
  4. Step 4: Simplify right side
    5,492x = 135,466,321
  5. Step 5: Solve for x
    x = 135,466,321/5,492
  6. Step 6: Final answer
    x = 24,666.12

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.