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Finding the Third Proportional to 39,674 and 52,653

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Solution

The third proportional to 39,674 and 52,653 is: 69,877.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,674 : 52,653 = 52,653 : x
  2. Step 2: Convert to fraction form
    39,674/52,653 = 52,653/x
  3. Step 3: Cross multiply
    39,674x = 52,653 × 52,653
  4. Step 4: Simplify right side
    39,674x = 2,772,338,409
  5. Step 5: Solve for x
    x = 2,772,338,409/39,674
  6. Step 6: Final answer
    x = 69,877.97

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.