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Finding the Third Proportional to 41,272 and 53,700

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Solution

The third proportional to 41,272 and 53,700 is: 69,870.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,272 : 53,700 = 53,700 : x
  2. Step 2: Convert to fraction form
    41,272/53,700 = 53,700/x
  3. Step 3: Cross multiply
    41,272x = 53,700 × 53,700
  4. Step 4: Simplify right side
    41,272x = 2,883,690,000
  5. Step 5: Solve for x
    x = 2,883,690,000/41,272
  6. Step 6: Final answer
    x = 69,870.37

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Why These Related Problems?

These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.