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Finding the Third Proportional to 5,270 and 12,203

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Solution

The third proportional to 5,270 and 12,203 is: 28,256.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,270 : 12,203 = 12,203 : x
  2. Step 2: Convert to fraction form
    5,270/12,203 = 12,203/x
  3. Step 3: Cross multiply
    5,270x = 12,203 × 12,203
  4. Step 4: Simplify right side
    5,270x = 148,913,209
  5. Step 5: Solve for x
    x = 148,913,209/5,270
  6. Step 6: Final answer
    x = 28,256.78

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.