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Finding the Third Proportional to 1,621.69 and 3,277.13

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Solution

The third proportional to 1,621.69 and 3,277.13 is: 6,622.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621.69 : 3,277.13 = 3,277.13 : x
  2. Step 2: Convert to fraction form
    1,621.69/3,277.13 = 3,277.13/x
  3. Step 3: Cross multiply
    1,621.69x = 3,277.13 × 3,277.13
  4. Step 4: Simplify right side
    1,621.69x = 10,739,548.27
  5. Step 5: Solve for x
    x = 10,739,548.27/1,621.69
  6. Step 6: Final answer
    x = 6,622.45

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Why These Related Problems?

These problems maintain the same ratio (2.02) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.