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Finding the Third Proportional to 3,218.91 and 4,844.81

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Solution

The third proportional to 3,218.91 and 4,844.81 is: 7,291.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218.91 : 4,844.81 = 4,844.81 : x
  2. Step 2: Convert to fraction form
    3,218.91/4,844.81 = 4,844.81/x
  3. Step 3: Cross multiply
    3,218.91x = 4,844.81 × 4,844.81
  4. Step 4: Simplify right side
    3,218.91x = 23,472,208.16
  5. Step 5: Solve for x
    x = 23,472,208.16/3,218.91
  6. Step 6: Final answer
    x = 7,291.98

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.