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Finding the Third Proportional to 19,708 and 41,636

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Solution

The third proportional to 19,708 and 41,636 is: 87,962.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,708 : 41,636 = 41,636 : x
  2. Step 2: Convert to fraction form
    19,708/41,636 = 41,636/x
  3. Step 3: Cross multiply
    19,708x = 41,636 × 41,636
  4. Step 4: Simplify right side
    19,708x = 1,733,556,496
  5. Step 5: Solve for x
    x = 1,733,556,496/19,708
  6. Step 6: Final answer
    x = 87,962.07

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.