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Finding the Third Proportional to 368.86 and 804.80

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Solution

The third proportional to 368.86 and 804.80 is: 1,755.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    368.86 : 804.80 = 804.80 : x
  2. Step 2: Convert to fraction form
    368.86/804.80 = 804.80/x
  3. Step 3: Cross multiply
    368.86x = 804.80 × 804.80
  4. Step 4: Simplify right side
    368.86x = 647,698.01
  5. Step 5: Solve for x
    x = 647,698.01/368.86
  6. Step 6: Final answer
    x = 1,755.95

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.