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Finding the Third Proportional to 276,841.50 and 427,067.50

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Solution

The third proportional to 276,841.50 and 427,067.50 is: 658,812.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,841.50 : 427,067.50 = 427,067.50 : x
  2. Step 2: Convert to fraction form
    276,841.50/427,067.50 = 427,067.50/x
  3. Step 3: Cross multiply
    276,841.50x = 427,067.50 × 427,067.50
  4. Step 4: Simplify right side
    276,841.50x = 182,386,649,556.25
  5. Step 5: Solve for x
    x = 182,386,649,556.25/276,841.50
  6. Step 6: Final answer
    x = 658,812.53

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.