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Finding the Third Proportional to 947.63 and 2,002.13

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Solution

The third proportional to 947.63 and 2,002.13 is: 4,230.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    947.63 : 2,002.13 = 2,002.13 : x
  2. Step 2: Convert to fraction form
    947.63/2,002.13 = 2,002.13/x
  3. Step 3: Cross multiply
    947.63x = 2,002.13 × 2,002.13
  4. Step 4: Simplify right side
    947.63x = 4,008,504.52
  5. Step 5: Solve for x
    x = 4,008,504.52/947.63
  6. Step 6: Final answer
    x = 4,230.05

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.