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Finding the Third Proportional to 330,987 and 714,450

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Solution

The third proportional to 330,987 and 714,450 is: 1,542,171.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,987 : 714,450 = 714,450 : x
  2. Step 2: Convert to fraction form
    330,987/714,450 = 714,450/x
  3. Step 3: Cross multiply
    330,987x = 714,450 × 714,450
  4. Step 4: Simplify right side
    330,987x = 510,438,802,500
  5. Step 5: Solve for x
    x = 510,438,802,500/330,987
  6. Step 6: Final answer
    x = 1,542,171.75

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.