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Finding the Third Proportional to 330,983 and 714,439

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Solution

The third proportional to 330,983 and 714,439 is: 1,542,142.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,983 : 714,439 = 714,439 : x
  2. Step 2: Convert to fraction form
    330,983/714,439 = 714,439/x
  3. Step 3: Cross multiply
    330,983x = 714,439 × 714,439
  4. Step 4: Simplify right side
    330,983x = 510,423,084,721
  5. Step 5: Solve for x
    x = 510,423,084,721/330,983
  6. Step 6: Final answer
    x = 1,542,142.90

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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.