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Finding the Third Proportional to 5,256.56 and 11,485.13

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Solution

The third proportional to 5,256.56 and 11,485.13 is: 25,093.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,256.56 : 11,485.13 = 11,485.13 : x
  2. Step 2: Convert to fraction form
    5,256.56/11,485.13 = 11,485.13/x
  3. Step 3: Cross multiply
    5,256.56x = 11,485.13 × 11,485.13
  4. Step 4: Simplify right side
    5,256.56x = 131,908,096.27
  5. Step 5: Solve for x
    x = 131,908,096.27/5,256.56
  6. Step 6: Final answer
    x = 25,093.98

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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.