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Finding the Third Proportional to 177,691.50 and 419,467.50

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Solution

The third proportional to 177,691.50 and 419,467.50 is: 990,216.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,691.50 : 419,467.50 = 419,467.50 : x
  2. Step 2: Convert to fraction form
    177,691.50/419,467.50 = 419,467.50/x
  3. Step 3: Cross multiply
    177,691.50x = 419,467.50 × 419,467.50
  4. Step 4: Simplify right side
    177,691.50x = 175,952,983,556.25
  5. Step 5: Solve for x
    x = 175,952,983,556.25/177,691.50
  6. Step 6: Final answer
    x = 990,216.10

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.