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Finding the Third Proportional to 772.44 and 1,669.19

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Solution

The third proportional to 772.44 and 1,669.19 is: 3,607.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    772.44 : 1,669.19 = 1,669.19 : x
  2. Step 2: Convert to fraction form
    772.44/1,669.19 = 1,669.19/x
  3. Step 3: Cross multiply
    772.44x = 1,669.19 × 1,669.19
  4. Step 4: Simplify right side
    772.44x = 2,786,186.91
  5. Step 5: Solve for x
    x = 2,786,186.91/772.44
  6. Step 6: Final answer
    x = 3,607.01

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.