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Finding the Third Proportional to 5,548.50 and 7,923.75

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Solution

The third proportional to 5,548.50 and 7,923.75 is: 11,315.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,548.50 : 7,923.75 = 7,923.75 : x
  2. Step 2: Convert to fraction form
    5,548.50/7,923.75 = 7,923.75/x
  3. Step 3: Cross multiply
    5,548.50x = 7,923.75 × 7,923.75
  4. Step 4: Simplify right side
    5,548.50x = 62,785,814.06
  5. Step 5: Solve for x
    x = 62,785,814.06/5,548.50
  6. Step 6: Final answer
    x = 11,315.82

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.