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Finding the Third Proportional to 1,768 and 3,777

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Solution

The third proportional to 1,768 and 3,777 is: 8,068.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,768 : 3,777 = 3,777 : x
  2. Step 2: Convert to fraction form
    1,768/3,777 = 3,777/x
  3. Step 3: Cross multiply
    1,768x = 3,777 × 3,777
  4. Step 4: Simplify right side
    1,768x = 14,265,729
  5. Step 5: Solve for x
    x = 14,265,729/1,768
  6. Step 6: Final answer
    x = 8,068.85

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.