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Finding the Third Proportional to 2,118.66 and 2,829.94

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Solution

The third proportional to 2,118.66 and 2,829.94 is: 3,780.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118.66 : 2,829.94 = 2,829.94 : x
  2. Step 2: Convert to fraction form
    2,118.66/2,829.94 = 2,829.94/x
  3. Step 3: Cross multiply
    2,118.66x = 2,829.94 × 2,829.94
  4. Step 4: Simplify right side
    2,118.66x = 8,008,546.25
  5. Step 5: Solve for x
    x = 8,008,546.25/2,118.66
  6. Step 6: Final answer
    x = 3,780.01

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.