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Finding the Third Proportional to 121,285.50 and 173,675

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Solution

The third proportional to 121,285.50 and 173,675 is: 248,694.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,285.50 : 173,675 = 173,675 : x
  2. Step 2: Convert to fraction form
    121,285.50/173,675 = 173,675/x
  3. Step 3: Cross multiply
    121,285.50x = 173,675 × 173,675
  4. Step 4: Simplify right side
    121,285.50x = 30,163,005,625
  5. Step 5: Solve for x
    x = 30,163,005,625/121,285.50
  6. Step 6: Final answer
    x = 248,694.24

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.