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Finding the Third Proportional to 325,874 and 681,541

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Solution

The third proportional to 325,874 and 681,541 is: 1,425,391.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,874 : 681,541 = 681,541 : x
  2. Step 2: Convert to fraction form
    325,874/681,541 = 681,541/x
  3. Step 3: Cross multiply
    325,874x = 681,541 × 681,541
  4. Step 4: Simplify right side
    325,874x = 464,498,134,681
  5. Step 5: Solve for x
    x = 464,498,134,681/325,874
  6. Step 6: Final answer
    x = 1,425,391.82

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.