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Finding the Third Proportional to 1,772 and 3,770

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Solution

The third proportional to 1,772 and 3,770 is: 8,020.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,772 : 3,770 = 3,770 : x
  2. Step 2: Convert to fraction form
    1,772/3,770 = 3,770/x
  3. Step 3: Cross multiply
    1,772x = 3,770 × 3,770
  4. Step 4: Simplify right side
    1,772x = 14,212,900
  5. Step 5: Solve for x
    x = 14,212,900/1,772
  6. Step 6: Final answer
    x = 8,020.82

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.