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Finding the Third Proportional to 2,979.56 and 6,477.75

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Solution

The third proportional to 2,979.56 and 6,477.75 is: 14,083.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979.56 : 6,477.75 = 6,477.75 : x
  2. Step 2: Convert to fraction form
    2,979.56/6,477.75 = 6,477.75/x
  3. Step 3: Cross multiply
    2,979.56x = 6,477.75 × 6,477.75
  4. Step 4: Simplify right side
    2,979.56x = 41,961,245.06
  5. Step 5: Solve for x
    x = 41,961,245.06/2,979.56
  6. Step 6: Final answer
    x = 14,083.02

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.