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Finding the Third Proportional to 34,874 and 74,536

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Solution

The third proportional to 34,874 and 74,536 is: 159,305.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,874 : 74,536 = 74,536 : x
  2. Step 2: Convert to fraction form
    34,874/74,536 = 74,536/x
  3. Step 3: Cross multiply
    34,874x = 74,536 × 74,536
  4. Step 4: Simplify right side
    34,874x = 5,555,615,296
  5. Step 5: Solve for x
    x = 5,555,615,296/34,874
  6. Step 6: Final answer
    x = 159,305.36

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.