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Finding the Third Proportional to 408,462.75 and 618,232.50

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Solution

The third proportional to 408,462.75 and 618,232.50 is: 935,731.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,462.75 : 618,232.50 = 618,232.50 : x
  2. Step 2: Convert to fraction form
    408,462.75/618,232.50 = 618,232.50/x
  3. Step 3: Cross multiply
    408,462.75x = 618,232.50 × 618,232.50
  4. Step 4: Simplify right side
    408,462.75x = 382,211,424,056.25
  5. Step 5: Solve for x
    x = 382,211,424,056.25/408,462.75
  6. Step 6: Final answer
    x = 935,731.41

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.