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Finding the Third Proportional to 4,888.69 and 10,189.13

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Solution

The third proportional to 4,888.69 and 10,189.13 is: 21,236.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,888.69 : 10,189.13 = 10,189.13 : x
  2. Step 2: Convert to fraction form
    4,888.69/10,189.13 = 10,189.13/x
  3. Step 3: Cross multiply
    4,888.69x = 10,189.13 × 10,189.13
  4. Step 4: Simplify right side
    4,888.69x = 103,818,268.27
  5. Step 5: Solve for x
    x = 103,818,268.27/4,888.69
  6. Step 6: Final answer
    x = 21,236.43

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.