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Finding the Third Proportional to 11,146 and 18,574

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Solution

The third proportional to 11,146 and 18,574 is: 30,952.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,146 : 18,574 = 18,574 : x
  2. Step 2: Convert to fraction form
    11,146/18,574 = 18,574/x
  3. Step 3: Cross multiply
    11,146x = 18,574 × 18,574
  4. Step 4: Simplify right side
    11,146x = 344,993,476
  5. Step 5: Solve for x
    x = 344,993,476/11,146
  6. Step 6: Final answer
    x = 30,952.22

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.