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Finding the Third Proportional to 18,532 and 28,700

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Solution

The third proportional to 18,532 and 28,700 is: 44,446.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,532 : 28,700 = 28,700 : x
  2. Step 2: Convert to fraction form
    18,532/28,700 = 28,700/x
  3. Step 3: Cross multiply
    18,532x = 28,700 × 28,700
  4. Step 4: Simplify right side
    18,532x = 823,690,000
  5. Step 5: Solve for x
    x = 823,690,000/18,532
  6. Step 6: Final answer
    x = 44,446.90

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.