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Finding the Third Proportional to 680,676.75 and 1,485,141.75

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Solution

The third proportional to 680,676.75 and 1,485,141.75 is: 3,240,372.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,676.75 : 1,485,141.75 = 1,485,141.75 : x
  2. Step 2: Convert to fraction form
    680,676.75/1,485,141.75 = 1,485,141.75/x
  3. Step 3: Cross multiply
    680,676.75x = 1,485,141.75 × 1,485,141.75
  4. Step 4: Simplify right side
    680,676.75x = 2,205,646,017,593.06
  5. Step 5: Solve for x
    x = 2,205,646,017,593.06/680,676.75
  6. Step 6: Final answer
    x = 3,240,372.20

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.