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Finding the Third Proportional to 18,244 and 39,338

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Solution

The third proportional to 18,244 and 39,338 is: 84,821.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,244 : 39,338 = 39,338 : x
  2. Step 2: Convert to fraction form
    18,244/39,338 = 39,338/x
  3. Step 3: Cross multiply
    18,244x = 39,338 × 39,338
  4. Step 4: Simplify right side
    18,244x = 1,547,478,244
  5. Step 5: Solve for x
    x = 1,547,478,244/18,244
  6. Step 6: Final answer
    x = 84,821.21

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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.