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Finding the Third Proportional to 2,964 and 3,660

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Solution

The third proportional to 2,964 and 3,660 is: 4,519.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,964 : 3,660 = 3,660 : x
  2. Step 2: Convert to fraction form
    2,964/3,660 = 3,660/x
  3. Step 3: Cross multiply
    2,964x = 3,660 × 3,660
  4. Step 4: Simplify right side
    2,964x = 13,395,600
  5. Step 5: Solve for x
    x = 13,395,600/2,964
  6. Step 6: Final answer
    x = 4,519.43

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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.