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Finding the Third Proportional to 1,873.25 and 2,894.38

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Solution

The third proportional to 1,873.25 and 2,894.38 is: 4,472.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,873.25 : 2,894.38 = 2,894.38 : x
  2. Step 2: Convert to fraction form
    1,873.25/2,894.38 = 2,894.38/x
  3. Step 3: Cross multiply
    1,873.25x = 2,894.38 × 2,894.38
  4. Step 4: Simplify right side
    1,873.25x = 8,377,406.64
  5. Step 5: Solve for x
    x = 8,377,406.64/1,873.25
  6. Step 6: Final answer
    x = 4,472.12

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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.