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Finding the Third Proportional to 4,822.13 and 9,778.13

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Solution

The third proportional to 4,822.13 and 9,778.13 is: 19,827.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,822.13 : 9,778.13 = 9,778.13 : x
  2. Step 2: Convert to fraction form
    4,822.13/9,778.13 = 9,778.13/x
  3. Step 3: Cross multiply
    4,822.13x = 9,778.13 × 9,778.13
  4. Step 4: Simplify right side
    4,822.13x = 95,611,728.52
  5. Step 5: Solve for x
    x = 95,611,728.52/4,822.13
  6. Step 6: Final answer
    x = 19,827.72

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.