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Finding the Third Proportional to 40,396 and 82,752

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Solution

The third proportional to 40,396 and 82,752 is: 169,519.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,396 : 82,752 = 82,752 : x
  2. Step 2: Convert to fraction form
    40,396/82,752 = 82,752/x
  3. Step 3: Cross multiply
    40,396x = 82,752 × 82,752
  4. Step 4: Simplify right side
    40,396x = 6,847,893,504
  5. Step 5: Solve for x
    x = 6,847,893,504/40,396
  6. Step 6: Final answer
    x = 169,519.10

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.