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Finding the Third Proportional to 6,218 and 13,530

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Solution

The third proportional to 6,218 and 13,530 is: 29,440.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,218 : 13,530 = 13,530 : x
  2. Step 2: Convert to fraction form
    6,218/13,530 = 13,530/x
  3. Step 3: Cross multiply
    6,218x = 13,530 × 13,530
  4. Step 4: Simplify right side
    6,218x = 183,060,900
  5. Step 5: Solve for x
    x = 183,060,900/6,218
  6. Step 6: Final answer
    x = 29,440.48

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.