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Finding the Third Proportional to 14,472 and 20,160

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Solution

The third proportional to 14,472 and 20,160 is: 28,083.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,472 : 20,160 = 20,160 : x
  2. Step 2: Convert to fraction form
    14,472/20,160 = 20,160/x
  3. Step 3: Cross multiply
    14,472x = 20,160 × 20,160
  4. Step 4: Simplify right side
    14,472x = 406,425,600
  5. Step 5: Solve for x
    x = 406,425,600/14,472
  6. Step 6: Final answer
    x = 28,083.58

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.