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Finding the Third Proportional to 483,418 and 679,551

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Solution

The third proportional to 483,418 and 679,551 is: 955,259.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,418 : 679,551 = 679,551 : x
  2. Step 2: Convert to fraction form
    483,418/679,551 = 679,551/x
  3. Step 3: Cross multiply
    483,418x = 679,551 × 679,551
  4. Step 4: Simplify right side
    483,418x = 461,789,561,601
  5. Step 5: Solve for x
    x = 461,789,561,601/483,418
  6. Step 6: Final answer
    x = 955,259.34

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.