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Finding the Third Proportional to 5,550.75 and 7,663.50

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Solution

The third proportional to 5,550.75 and 7,663.50 is: 10,580.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,550.75 : 7,663.50 = 7,663.50 : x
  2. Step 2: Convert to fraction form
    5,550.75/7,663.50 = 7,663.50/x
  3. Step 3: Cross multiply
    5,550.75x = 7,663.50 × 7,663.50
  4. Step 4: Simplify right side
    5,550.75x = 58,729,232.25
  5. Step 5: Solve for x
    x = 58,729,232.25/5,550.75
  6. Step 6: Final answer
    x = 10,580.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.