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Finding the Third Proportional to 1,118.81 and 1,840.22

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Solution

The third proportional to 1,118.81 and 1,840.22 is: 3,026.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118.81 : 1,840.22 = 1,840.22 : x
  2. Step 2: Convert to fraction form
    1,118.81/1,840.22 = 1,840.22/x
  3. Step 3: Cross multiply
    1,118.81x = 1,840.22 × 1,840.22
  4. Step 4: Simplify right side
    1,118.81x = 3,386,405.05
  5. Step 5: Solve for x
    x = 3,386,405.05/1,118.81
  6. Step 6: Final answer
    x = 3,026.79

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These problems maintain the same ratio (1.64) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.