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Finding the Third Proportional to 25,764 and 39,378

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Solution

The third proportional to 25,764 and 39,378 is: 60,185.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,764 : 39,378 = 39,378 : x
  2. Step 2: Convert to fraction form
    25,764/39,378 = 39,378/x
  3. Step 3: Cross multiply
    25,764x = 39,378 × 39,378
  4. Step 4: Simplify right side
    25,764x = 1,550,626,884
  5. Step 5: Solve for x
    x = 1,550,626,884/25,764
  6. Step 6: Final answer
    x = 60,185.80

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.