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Finding the Third Proportional to 528.75 and 800.44

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Solution

The third proportional to 528.75 and 800.44 is: 1,211.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    528.75 : 800.44 = 800.44 : x
  2. Step 2: Convert to fraction form
    528.75/800.44 = 800.44/x
  3. Step 3: Cross multiply
    528.75x = 800.44 × 800.44
  4. Step 4: Simplify right side
    528.75x = 640,700.19
  5. Step 5: Solve for x
    x = 640,700.19/528.75
  6. Step 6: Final answer
    x = 1,211.73

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.