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Finding the Third Proportional to 35,354 and 76,939

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Solution

The third proportional to 35,354 and 76,939 is: 167,438.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,354 : 76,939 = 76,939 : x
  2. Step 2: Convert to fraction form
    35,354/76,939 = 76,939/x
  3. Step 3: Cross multiply
    35,354x = 76,939 × 76,939
  4. Step 4: Simplify right side
    35,354x = 5,919,609,721
  5. Step 5: Solve for x
    x = 5,919,609,721/35,354
  6. Step 6: Final answer
    x = 167,438.19

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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.