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Finding the Third Proportional to 13,180 and 28,640

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Solution

The third proportional to 13,180 and 28,640 is: 62,234.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,180 : 28,640 = 28,640 : x
  2. Step 2: Convert to fraction form
    13,180/28,640 = 28,640/x
  3. Step 3: Cross multiply
    13,180x = 28,640 × 28,640
  4. Step 4: Simplify right side
    13,180x = 820,249,600
  5. Step 5: Solve for x
    x = 820,249,600/13,180
  6. Step 6: Final answer
    x = 62,234.42

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These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.