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Finding the Third Proportional to 481.69 and 776.06

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Solution

The third proportional to 481.69 and 776.06 is: 1,250.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    481.69 : 776.06 = 776.06 : x
  2. Step 2: Convert to fraction form
    481.69/776.06 = 776.06/x
  3. Step 3: Cross multiply
    481.69x = 776.06 × 776.06
  4. Step 4: Simplify right side
    481.69x = 602,273.00
  5. Step 5: Solve for x
    x = 602,273.00/481.69
  6. Step 6: Final answer
    x = 1,250.34

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.