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Finding the Third Proportional to 19,356 and 41,880

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Solution

The third proportional to 19,356 and 41,880 is: 90,614.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,356 : 41,880 = 41,880 : x
  2. Step 2: Convert to fraction form
    19,356/41,880 = 41,880/x
  3. Step 3: Cross multiply
    19,356x = 41,880 × 41,880
  4. Step 4: Simplify right side
    19,356x = 1,753,934,400
  5. Step 5: Solve for x
    x = 1,753,934,400/19,356
  6. Step 6: Final answer
    x = 90,614.51

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.