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Finding the Third Proportional to 4,076 and 5,830

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Solution

The third proportional to 4,076 and 5,830 is: 8,338.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,076 : 5,830 = 5,830 : x
  2. Step 2: Convert to fraction form
    4,076/5,830 = 5,830/x
  3. Step 3: Cross multiply
    4,076x = 5,830 × 5,830
  4. Step 4: Simplify right side
    4,076x = 33,988,900
  5. Step 5: Solve for x
    x = 33,988,900/4,076
  6. Step 6: Final answer
    x = 8,338.79

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.