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Finding the Third Proportional to 8,265 and 18,203

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Solution

The third proportional to 8,265 and 18,203 is: 40,090.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,265 : 18,203 = 18,203 : x
  2. Step 2: Convert to fraction form
    8,265/18,203 = 18,203/x
  3. Step 3: Cross multiply
    8,265x = 18,203 × 18,203
  4. Step 4: Simplify right side
    8,265x = 331,349,209
  5. Step 5: Solve for x
    x = 331,349,209/8,265
  6. Step 6: Final answer
    x = 40,090.65

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.