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Finding the Third Proportional to 14,880 and 21,908

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Solution

The third proportional to 14,880 and 21,908 is: 32,255.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,880 : 21,908 = 21,908 : x
  2. Step 2: Convert to fraction form
    14,880/21,908 = 21,908/x
  3. Step 3: Cross multiply
    14,880x = 21,908 × 21,908
  4. Step 4: Simplify right side
    14,880x = 479,960,464
  5. Step 5: Solve for x
    x = 479,960,464/14,880
  6. Step 6: Final answer
    x = 32,255.41

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.