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Finding the Third Proportional to 17,315.25 and 25,395.75

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Solution

The third proportional to 17,315.25 and 25,395.75 is: 37,247.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,315.25 : 25,395.75 = 25,395.75 : x
  2. Step 2: Convert to fraction form
    17,315.25/25,395.75 = 25,395.75/x
  3. Step 3: Cross multiply
    17,315.25x = 25,395.75 × 25,395.75
  4. Step 4: Simplify right side
    17,315.25x = 644,944,118.06
  5. Step 5: Solve for x
    x = 644,944,118.06/17,315.25
  6. Step 6: Final answer
    x = 37,247.17

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.