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Finding the Third Proportional to 974.25 and 2,117.25

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Solution

The third proportional to 974.25 and 2,117.25 is: 4,601.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    974.25 : 2,117.25 = 2,117.25 : x
  2. Step 2: Convert to fraction form
    974.25/2,117.25 = 2,117.25/x
  3. Step 3: Cross multiply
    974.25x = 2,117.25 × 2,117.25
  4. Step 4: Simplify right side
    974.25x = 4,482,747.56
  5. Step 5: Solve for x
    x = 4,482,747.56/974.25
  6. Step 6: Final answer
    x = 4,601.23

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.