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Finding the Third Proportional to 2,194.48 and 4,731.74

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Solution

The third proportional to 2,194.48 and 4,731.74 is: 10,202.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,194.48 : 4,731.74 = 4,731.74 : x
  2. Step 2: Convert to fraction form
    2,194.48/4,731.74 = 4,731.74/x
  3. Step 3: Cross multiply
    2,194.48x = 4,731.74 × 4,731.74
  4. Step 4: Simplify right side
    2,194.48x = 22,389,333.30
  5. Step 5: Solve for x
    x = 22,389,333.30/2,194.48
  6. Step 6: Final answer
    x = 10,202.59

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.