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Finding the Third Proportional to 335.50 and 503.30

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Solution

The third proportional to 335.50 and 503.30 is: 755.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    335.50 : 503.30 = 503.30 : x
  2. Step 2: Convert to fraction form
    335.50/503.30 = 503.30/x
  3. Step 3: Cross multiply
    335.50x = 503.30 × 503.30
  4. Step 4: Simplify right side
    335.50x = 253,307.74
  5. Step 5: Solve for x
    x = 253,307.74/335.50
  6. Step 6: Final answer
    x = 755.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.