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Finding the Third Proportional to 3,428 and 4,574

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Solution

The third proportional to 3,428 and 4,574 is: 6,103.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428 : 4,574 = 4,574 : x
  2. Step 2: Convert to fraction form
    3,428/4,574 = 4,574/x
  3. Step 3: Cross multiply
    3,428x = 4,574 × 4,574
  4. Step 4: Simplify right side
    3,428x = 20,921,476
  5. Step 5: Solve for x
    x = 20,921,476/3,428
  6. Step 6: Final answer
    x = 6,103.11

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.