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Finding the Third Proportional to 80,500.50 and 122,512.50

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Solution

The third proportional to 80,500.50 and 122,512.50 is: 186,449.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,500.50 : 122,512.50 = 122,512.50 : x
  2. Step 2: Convert to fraction form
    80,500.50/122,512.50 = 122,512.50/x
  3. Step 3: Cross multiply
    80,500.50x = 122,512.50 × 122,512.50
  4. Step 4: Simplify right side
    80,500.50x = 15,009,312,656.25
  5. Step 5: Solve for x
    x = 15,009,312,656.25/80,500.50
  6. Step 6: Final answer
    x = 186,449.93

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.