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Finding the Third Proportional to 323,622 and 709,452

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Solution

The third proportional to 323,622 and 709,452 is: 1,555,277.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,622 : 709,452 = 709,452 : x
  2. Step 2: Convert to fraction form
    323,622/709,452 = 709,452/x
  3. Step 3: Cross multiply
    323,622x = 709,452 × 709,452
  4. Step 4: Simplify right side
    323,622x = 503,322,140,304
  5. Step 5: Solve for x
    x = 503,322,140,304/323,622
  6. Step 6: Final answer
    x = 1,555,277.89

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.