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Finding the Third Proportional to 947.95 and 2,203.45

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Solution

The third proportional to 947.95 and 2,203.45 is: 5,121.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    947.95 : 2,203.45 = 2,203.45 : x
  2. Step 2: Convert to fraction form
    947.95/2,203.45 = 2,203.45/x
  3. Step 3: Cross multiply
    947.95x = 2,203.45 × 2,203.45
  4. Step 4: Simplify right side
    947.95x = 4,855,205.67
  5. Step 5: Solve for x
    x = 4,855,205.67/947.95
  6. Step 6: Final answer
    x = 5,121.78

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.