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Finding the Third Proportional to 177,689.50 and 419,463.50

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Solution

The third proportional to 177,689.50 and 419,463.50 is: 990,208.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,689.50 : 419,463.50 = 419,463.50 : x
  2. Step 2: Convert to fraction form
    177,689.50/419,463.50 = 419,463.50/x
  3. Step 3: Cross multiply
    177,689.50x = 419,463.50 × 419,463.50
  4. Step 4: Simplify right side
    177,689.50x = 175,949,627,832.25
  5. Step 5: Solve for x
    x = 175,949,627,832.25/177,689.50
  6. Step 6: Final answer
    x = 990,208.36

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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.