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Finding the Third Proportional to 14,472 and 20,700

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Solution

The third proportional to 14,472 and 20,700 is: 29,608.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,472 : 20,700 = 20,700 : x
  2. Step 2: Convert to fraction form
    14,472/20,700 = 20,700/x
  3. Step 3: Cross multiply
    14,472x = 20,700 × 20,700
  4. Step 4: Simplify right side
    14,472x = 428,490,000
  5. Step 5: Solve for x
    x = 428,490,000/14,472
  6. Step 6: Final answer
    x = 29,608.21

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.