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Finding the Third Proportional to 9,076.50 and 11,877.75

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Solution

The third proportional to 9,076.50 and 11,877.75 is: 15,543.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,076.50 : 11,877.75 = 11,877.75 : x
  2. Step 2: Convert to fraction form
    9,076.50/11,877.75 = 11,877.75/x
  3. Step 3: Cross multiply
    9,076.50x = 11,877.75 × 11,877.75
  4. Step 4: Simplify right side
    9,076.50x = 141,080,945.06
  5. Step 5: Solve for x
    x = 141,080,945.06/9,076.50
  6. Step 6: Final answer
    x = 15,543.54

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.