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Finding the Third Proportional to 1,965.83 and 4,296.16

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Solution

The third proportional to 1,965.83 and 4,296.16 is: 9,388.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965.83 : 4,296.16 = 4,296.16 : x
  2. Step 2: Convert to fraction form
    1,965.83/4,296.16 = 4,296.16/x
  3. Step 3: Cross multiply
    1,965.83x = 4,296.16 × 4,296.16
  4. Step 4: Simplify right side
    1,965.83x = 18,457,025.65
  5. Step 5: Solve for x
    x = 18,457,025.65/1,965.83
  6. Step 6: Final answer
    x = 9,388.91

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.