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Finding the Third Proportional to 33,605.50 and 49,640

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Solution

The third proportional to 33,605.50 and 49,640 is: 73,325.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,605.50 : 49,640 = 49,640 : x
  2. Step 2: Convert to fraction form
    33,605.50/49,640 = 49,640/x
  3. Step 3: Cross multiply
    33,605.50x = 49,640 × 49,640
  4. Step 4: Simplify right side
    33,605.50x = 2,464,129,600
  5. Step 5: Solve for x
    x = 2,464,129,600/33,605.50
  6. Step 6: Final answer
    x = 73,325.19

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.