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Finding the Third Proportional to 4,857.75 and 10,490.75

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Solution

The third proportional to 4,857.75 and 10,490.75 is: 22,655.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,857.75 : 10,490.75 = 10,490.75 : x
  2. Step 2: Convert to fraction form
    4,857.75/10,490.75 = 10,490.75/x
  3. Step 3: Cross multiply
    4,857.75x = 10,490.75 × 10,490.75
  4. Step 4: Simplify right side
    4,857.75x = 110,055,835.56
  5. Step 5: Solve for x
    x = 110,055,835.56/4,857.75
  6. Step 6: Final answer
    x = 22,655.72

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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.