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Finding the Third Proportional to 6,156 and 15,921.56

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Solution

The third proportional to 6,156 and 15,921.56 is: 41,178.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,156 : 15,921.56 = 15,921.56 : x
  2. Step 2: Convert to fraction form
    6,156/15,921.56 = 15,921.56/x
  3. Step 3: Cross multiply
    6,156x = 15,921.56 × 15,921.56
  4. Step 4: Simplify right side
    6,156x = 253,496,152.44
  5. Step 5: Solve for x
    x = 253,496,152.44/6,156
  6. Step 6: Final answer
    x = 41,178.71

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Why These Related Problems?

These problems maintain the same ratio (2.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.