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Finding the Third Proportional to 404,734.50 and 625,353.75

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Solution

The third proportional to 404,734.50 and 625,353.75 is: 966,231.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,734.50 : 625,353.75 = 625,353.75 : x
  2. Step 2: Convert to fraction form
    404,734.50/625,353.75 = 625,353.75/x
  3. Step 3: Cross multiply
    404,734.50x = 625,353.75 × 625,353.75
  4. Step 4: Simplify right side
    404,734.50x = 391,067,312,639.06
  5. Step 5: Solve for x
    x = 391,067,312,639.06/404,734.50
  6. Step 6: Final answer
    x = 966,231.72

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.