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Finding the Third Proportional to 4,703.91 and 10,143.56

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Solution

The third proportional to 4,703.91 and 10,143.56 is: 21,873.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,703.91 : 10,143.56 = 10,143.56 : x
  2. Step 2: Convert to fraction form
    4,703.91/10,143.56 = 10,143.56/x
  3. Step 3: Cross multiply
    4,703.91x = 10,143.56 × 10,143.56
  4. Step 4: Simplify right side
    4,703.91x = 102,891,860.19
  5. Step 5: Solve for x
    x = 102,891,860.19/4,703.91
  6. Step 6: Final answer
    x = 21,873.71

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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.