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Finding the Third Proportional to 21,432 and 44,481

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Solution

The third proportional to 21,432 and 44,481 is: 92,318.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,432 : 44,481 = 44,481 : x
  2. Step 2: Convert to fraction form
    21,432/44,481 = 44,481/x
  3. Step 3: Cross multiply
    21,432x = 44,481 × 44,481
  4. Step 4: Simplify right side
    21,432x = 1,978,559,361
  5. Step 5: Solve for x
    x = 1,978,559,361/21,432
  6. Step 6: Final answer
    x = 92,318.00

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.