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Finding the Third Proportional to 3,704 and 5,428

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Solution

The third proportional to 3,704 and 5,428 is: 7,954.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,704 : 5,428 = 5,428 : x
  2. Step 2: Convert to fraction form
    3,704/5,428 = 5,428/x
  3. Step 3: Cross multiply
    3,704x = 5,428 × 5,428
  4. Step 4: Simplify right side
    3,704x = 29,463,184
  5. Step 5: Solve for x
    x = 29,463,184/3,704
  6. Step 6: Final answer
    x = 7,954.42

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.