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Finding the Third Proportional to 28,350 and 61,800

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Solution

The third proportional to 28,350 and 61,800 is: 134,717.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,350 : 61,800 = 61,800 : x
  2. Step 2: Convert to fraction form
    28,350/61,800 = 61,800/x
  3. Step 3: Cross multiply
    28,350x = 61,800 × 61,800
  4. Step 4: Simplify right side
    28,350x = 3,819,240,000
  5. Step 5: Solve for x
    x = 3,819,240,000/28,350
  6. Step 6: Final answer
    x = 134,717.46

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.