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Finding the Third Proportional to 8,574 and 18,726

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Solution

The third proportional to 8,574 and 18,726 is: 40,898.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,574 : 18,726 = 18,726 : x
  2. Step 2: Convert to fraction form
    8,574/18,726 = 18,726/x
  3. Step 3: Cross multiply
    8,574x = 18,726 × 18,726
  4. Step 4: Simplify right side
    8,574x = 350,663,076
  5. Step 5: Solve for x
    x = 350,663,076/8,574
  6. Step 6: Final answer
    x = 40,898.42

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.