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Finding the Third Proportional to 4,074 and 8,574

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Solution

The third proportional to 4,074 and 8,574 is: 18,044.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,074 : 8,574 = 8,574 : x
  2. Step 2: Convert to fraction form
    4,074/8,574 = 8,574/x
  3. Step 3: Cross multiply
    4,074x = 8,574 × 8,574
  4. Step 4: Simplify right side
    4,074x = 73,513,476
  5. Step 5: Solve for x
    x = 73,513,476/4,074
  6. Step 6: Final answer
    x = 18,044.54

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.