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Finding the Third Proportional to 35,684 and 77,722

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Solution

The third proportional to 35,684 and 77,722 is: 169,283.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,684 : 77,722 = 77,722 : x
  2. Step 2: Convert to fraction form
    35,684/77,722 = 77,722/x
  3. Step 3: Cross multiply
    35,684x = 77,722 × 77,722
  4. Step 4: Simplify right side
    35,684x = 6,040,709,284
  5. Step 5: Solve for x
    x = 6,040,709,284/35,684
  6. Step 6: Final answer
    x = 169,283.41

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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.