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Finding the Third Proportional to 12,698.25 and 27,515.25

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Solution

The third proportional to 12,698.25 and 27,515.25 is: 59,621.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,698.25 : 27,515.25 = 27,515.25 : x
  2. Step 2: Convert to fraction form
    12,698.25/27,515.25 = 27,515.25/x
  3. Step 3: Cross multiply
    12,698.25x = 27,515.25 × 27,515.25
  4. Step 4: Simplify right side
    12,698.25x = 757,088,982.56
  5. Step 5: Solve for x
    x = 757,088,982.56/12,698.25
  6. Step 6: Final answer
    x = 59,621.52

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.