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Finding the Third Proportional to 36,401.25 and 79,211.25

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Solution

The third proportional to 36,401.25 and 79,211.25 is: 172,368.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,401.25 : 79,211.25 = 79,211.25 : x
  2. Step 2: Convert to fraction form
    36,401.25/79,211.25 = 79,211.25/x
  3. Step 3: Cross multiply
    36,401.25x = 79,211.25 × 79,211.25
  4. Step 4: Simplify right side
    36,401.25x = 6,274,422,126.56
  5. Step 5: Solve for x
    x = 6,274,422,126.56/36,401.25
  6. Step 6: Final answer
    x = 172,368.32

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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.