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Finding the Third Proportional to 19,428.75 and 41,959.13

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Solution

The third proportional to 19,428.75 and 41,959.13 is: 90,616.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,428.75 : 41,959.13 = 41,959.13 : x
  2. Step 2: Convert to fraction form
    19,428.75/41,959.13 = 41,959.13/x
  3. Step 3: Cross multiply
    19,428.75x = 41,959.13 × 41,959.13
  4. Step 4: Simplify right side
    19,428.75x = 1,760,568,170.77
  5. Step 5: Solve for x
    x = 1,760,568,170.77/19,428.75
  6. Step 6: Final answer
    x = 90,616.65

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.