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Finding the Third Proportional to 481.36 and 770.13

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Solution

The third proportional to 481.36 and 770.13 is: 1,232.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    481.36 : 770.13 = 770.13 : x
  2. Step 2: Convert to fraction form
    481.36/770.13 = 770.13/x
  3. Step 3: Cross multiply
    481.36x = 770.13 × 770.13
  4. Step 4: Simplify right side
    481.36x = 593,104.55
  5. Step 5: Solve for x
    x = 593,104.55/481.36
  6. Step 6: Final answer
    x = 1,232.15

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.