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Finding the Third Proportional to 33,764 and 74,312

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Solution

The third proportional to 33,764 and 74,312 is: 163,555.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,764 : 74,312 = 74,312 : x
  2. Step 2: Convert to fraction form
    33,764/74,312 = 74,312/x
  3. Step 3: Cross multiply
    33,764x = 74,312 × 74,312
  4. Step 4: Simplify right side
    33,764x = 5,522,273,344
  5. Step 5: Solve for x
    x = 5,522,273,344/33,764
  6. Step 6: Final answer
    x = 163,555.07

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.