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Finding the Third Proportional to 1,851.75 and 4,258.13

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Solution

The third proportional to 1,851.75 and 4,258.13 is: 9,791.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,851.75 : 4,258.13 = 4,258.13 : x
  2. Step 2: Convert to fraction form
    1,851.75/4,258.13 = 4,258.13/x
  3. Step 3: Cross multiply
    1,851.75x = 4,258.13 × 4,258.13
  4. Step 4: Simplify right side
    1,851.75x = 18,131,628.52
  5. Step 5: Solve for x
    x = 18,131,628.52/1,851.75
  6. Step 6: Final answer
    x = 9,791.62

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Why These Related Problems?

These problems maintain the same ratio (2.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.