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Finding the Third Proportional to 5,570 and 8,674

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Solution

The third proportional to 5,570 and 8,674 is: 13,507.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,570 : 8,674 = 8,674 : x
  2. Step 2: Convert to fraction form
    5,570/8,674 = 8,674/x
  3. Step 3: Cross multiply
    5,570x = 8,674 × 8,674
  4. Step 4: Simplify right side
    5,570x = 75,238,276
  5. Step 5: Solve for x
    x = 75,238,276/5,570
  6. Step 6: Final answer
    x = 13,507.77

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.