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Finding the Third Proportional to 195,404 and 425,920

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Solution

The third proportional to 195,404 and 425,920 is: 928,373.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,404 : 425,920 = 425,920 : x
  2. Step 2: Convert to fraction form
    195,404/425,920 = 425,920/x
  3. Step 3: Cross multiply
    195,404x = 425,920 × 425,920
  4. Step 4: Simplify right side
    195,404x = 181,407,846,400
  5. Step 5: Solve for x
    x = 181,407,846,400/195,404
  6. Step 6: Final answer
    x = 928,373.25

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.