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Finding the Third Proportional to 5,149.13 and 10,851.75

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Solution

The third proportional to 5,149.13 and 10,851.75 is: 22,870.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,149.13 : 10,851.75 = 10,851.75 : x
  2. Step 2: Convert to fraction form
    5,149.13/10,851.75 = 10,851.75/x
  3. Step 3: Cross multiply
    5,149.13x = 10,851.75 × 10,851.75
  4. Step 4: Simplify right side
    5,149.13x = 117,760,478.06
  5. Step 5: Solve for x
    x = 117,760,478.06/5,149.13
  6. Step 6: Final answer
    x = 22,870.00

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.