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Finding the Third Proportional to 4,764.75 and 10,143.75

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Solution

The third proportional to 4,764.75 and 10,143.75 is: 21,595.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,764.75 : 10,143.75 = 10,143.75 : x
  2. Step 2: Convert to fraction form
    4,764.75/10,143.75 = 10,143.75/x
  3. Step 3: Cross multiply
    4,764.75x = 10,143.75 × 10,143.75
  4. Step 4: Simplify right side
    4,764.75x = 102,895,664.06
  5. Step 5: Solve for x
    x = 102,895,664.06/4,764.75
  6. Step 6: Final answer
    x = 21,595.19

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.