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Finding the Third Proportional to 8,838 and 18,698.25

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Solution

The third proportional to 8,838 and 18,698.25 is: 39,559.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,838 : 18,698.25 = 18,698.25 : x
  2. Step 2: Convert to fraction form
    8,838/18,698.25 = 18,698.25/x
  3. Step 3: Cross multiply
    8,838x = 18,698.25 × 18,698.25
  4. Step 4: Simplify right side
    8,838x = 349,624,553.06
  5. Step 5: Solve for x
    x = 349,624,553.06/8,838
  6. Step 6: Final answer
    x = 39,559.24

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.