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Finding the Third Proportional to 13,240 and 14,680

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Solution

The third proportional to 13,240 and 14,680 is: 16,276.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,240 : 14,680 = 14,680 : x
  2. Step 2: Convert to fraction form
    13,240/14,680 = 14,680/x
  3. Step 3: Cross multiply
    13,240x = 14,680 × 14,680
  4. Step 4: Simplify right side
    13,240x = 215,502,400
  5. Step 5: Solve for x
    x = 215,502,400/13,240
  6. Step 6: Final answer
    x = 16,276.62

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Why These Related Problems?

These problems maintain the same ratio (1.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.