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Finding the Third Proportional to 974.63 and 1,512.75

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Solution

The third proportional to 974.63 and 1,512.75 is: 2,347.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    974.63 : 1,512.75 = 1,512.75 : x
  2. Step 2: Convert to fraction form
    974.63/1,512.75 = 1,512.75/x
  3. Step 3: Cross multiply
    974.63x = 1,512.75 × 1,512.75
  4. Step 4: Simplify right side
    974.63x = 2,288,412.56
  5. Step 5: Solve for x
    x = 2,288,412.56/974.63
  6. Step 6: Final answer
    x = 2,347.99

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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.