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Finding the Third Proportional to 4,769 and 7,925

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Solution

The third proportional to 4,769 and 7,925 is: 13,169.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,769 : 7,925 = 7,925 : x
  2. Step 2: Convert to fraction form
    4,769/7,925 = 7,925/x
  3. Step 3: Cross multiply
    4,769x = 7,925 × 7,925
  4. Step 4: Simplify right side
    4,769x = 62,805,625
  5. Step 5: Solve for x
    x = 62,805,625/4,769
  6. Step 6: Final answer
    x = 13,169.56

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Why These Related Problems?

These problems maintain the same ratio (1.66) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.