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Finding the Third Proportional to 4,805 and 5,909

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Solution

The third proportional to 4,805 and 5,909 is: 7,266.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,805 : 5,909 = 5,909 : x
  2. Step 2: Convert to fraction form
    4,805/5,909 = 5,909/x
  3. Step 3: Cross multiply
    4,805x = 5,909 × 5,909
  4. Step 4: Simplify right side
    4,805x = 34,916,281
  5. Step 5: Solve for x
    x = 34,916,281/4,805
  6. Step 6: Final answer
    x = 7,266.66

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Why These Related Problems?

These problems maintain the same ratio (1.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.