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Finding the Third Proportional to 3,168.56 and 4,821.19

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Solution

The third proportional to 3,168.56 and 4,821.19 is: 7,335.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168.56 : 4,821.19 = 4,821.19 : x
  2. Step 2: Convert to fraction form
    3,168.56/4,821.19 = 4,821.19/x
  3. Step 3: Cross multiply
    3,168.56x = 4,821.19 × 4,821.19
  4. Step 4: Simplify right side
    3,168.56x = 23,243,848.91
  5. Step 5: Solve for x
    x = 23,243,848.91/3,168.56
  6. Step 6: Final answer
    x = 7,335.77

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.