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Finding the Third Proportional to 330,965 and 714,406

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Solution

The third proportional to 330,965 and 714,406 is: 1,542,084.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,965 : 714,406 = 714,406 : x
  2. Step 2: Convert to fraction form
    330,965/714,406 = 714,406/x
  3. Step 3: Cross multiply
    330,965x = 714,406 × 714,406
  4. Step 4: Simplify right side
    330,965x = 510,375,932,836
  5. Step 5: Solve for x
    x = 510,375,932,836/330,965
  6. Step 6: Final answer
    x = 1,542,084.31

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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.