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Finding the Third Proportional to 3,036 and 4,769

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Solution

The third proportional to 3,036 and 4,769 is: 7,491.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,036 : 4,769 = 4,769 : x
  2. Step 2: Convert to fraction form
    3,036/4,769 = 4,769/x
  3. Step 3: Cross multiply
    3,036x = 4,769 × 4,769
  4. Step 4: Simplify right side
    3,036x = 22,743,361
  5. Step 5: Solve for x
    x = 22,743,361/3,036
  6. Step 6: Final answer
    x = 7,491.23

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.