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Finding the Third Proportional to 4,383 and 4,731.75

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Solution

The third proportional to 4,383 and 4,731.75 is: 5,108.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,383 : 4,731.75 = 4,731.75 : x
  2. Step 2: Convert to fraction form
    4,383/4,731.75 = 4,731.75/x
  3. Step 3: Cross multiply
    4,383x = 4,731.75 × 4,731.75
  4. Step 4: Simplify right side
    4,383x = 22,389,458.06
  5. Step 5: Solve for x
    x = 22,389,458.06/4,383
  6. Step 6: Final answer
    x = 5,108.25

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Why These Related Problems?

These problems maintain the same ratio (1.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.