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Finding the Third Proportional to 3,965.63 and 5,577.19

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Solution

The third proportional to 3,965.63 and 5,577.19 is: 7,843.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,965.63 : 5,577.19 = 5,577.19 : x
  2. Step 2: Convert to fraction form
    3,965.63/5,577.19 = 5,577.19/x
  3. Step 3: Cross multiply
    3,965.63x = 5,577.19 × 5,577.19
  4. Step 4: Simplify right side
    3,965.63x = 31,105,020.41
  5. Step 5: Solve for x
    x = 31,105,020.41/3,965.63
  6. Step 6: Final answer
    x = 7,843.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.