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Finding the Third Proportional to 28,489 and 60,866

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Solution

The third proportional to 28,489 and 60,866 is: 130,038.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,489 : 60,866 = 60,866 : x
  2. Step 2: Convert to fraction form
    28,489/60,866 = 60,866/x
  3. Step 3: Cross multiply
    28,489x = 60,866 × 60,866
  4. Step 4: Simplify right side
    28,489x = 3,704,669,956
  5. Step 5: Solve for x
    x = 3,704,669,956/28,489
  6. Step 6: Final answer
    x = 130,038.61

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.