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Finding the Third Proportional to 329,022 and 714,420

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Solution

The third proportional to 329,022 and 714,420 is: 1,551,251.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,022 : 714,420 = 714,420 : x
  2. Step 2: Convert to fraction form
    329,022/714,420 = 714,420/x
  3. Step 3: Cross multiply
    329,022x = 714,420 × 714,420
  4. Step 4: Simplify right side
    329,022x = 510,395,936,400
  5. Step 5: Solve for x
    x = 510,395,936,400/329,022
  6. Step 6: Final answer
    x = 1,551,251.70

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.