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Finding the Third Proportional to 4,881.38 and 10,855.13

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Solution

The third proportional to 4,881.38 and 10,855.13 is: 24,139.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,881.38 : 10,855.13 = 10,855.13 : x
  2. Step 2: Convert to fraction form
    4,881.38/10,855.13 = 10,855.13/x
  3. Step 3: Cross multiply
    4,881.38x = 10,855.13 × 10,855.13
  4. Step 4: Simplify right side
    4,881.38x = 117,833,738.77
  5. Step 5: Solve for x
    x = 117,833,738.77/4,881.38
  6. Step 6: Final answer
    x = 24,139.46

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.