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Finding the Third Proportional to 33,865 and 74,292

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Solution

The third proportional to 33,865 and 74,292 is: 162,979.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,865 : 74,292 = 74,292 : x
  2. Step 2: Convert to fraction form
    33,865/74,292 = 74,292/x
  3. Step 3: Cross multiply
    33,865x = 74,292 × 74,292
  4. Step 4: Simplify right side
    33,865x = 5,519,301,264
  5. Step 5: Solve for x
    x = 5,519,301,264/33,865
  6. Step 6: Final answer
    x = 162,979.51

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.