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Finding the Third Proportional to 21,487 and 32,241

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Solution

The third proportional to 21,487 and 32,241 is: 48,377.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,487 : 32,241 = 32,241 : x
  2. Step 2: Convert to fraction form
    21,487/32,241 = 32,241/x
  3. Step 3: Cross multiply
    21,487x = 32,241 × 32,241
  4. Step 4: Simplify right side
    21,487x = 1,039,482,081
  5. Step 5: Solve for x
    x = 1,039,482,081/21,487
  6. Step 6: Final answer
    x = 48,377.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.