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Finding the Third Proportional to 436.32 and 610.35

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Solution

The third proportional to 436.32 and 610.35 is: 853.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    436.32 : 610.35 = 610.35 : x
  2. Step 2: Convert to fraction form
    436.32/610.35 = 610.35/x
  3. Step 3: Cross multiply
    436.32x = 610.35 × 610.35
  4. Step 4: Simplify right side
    436.32x = 372,524.26
  5. Step 5: Solve for x
    x = 372,524.26/436.32
  6. Step 6: Final answer
    x = 853.78

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.