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Finding the Third Proportional to 512,843 and 1,115,990.50

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Solution

The third proportional to 512,843 and 1,115,990.50 is: 2,428,491.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,843 : 1,115,990.50 = 1,115,990.50 : x
  2. Step 2: Convert to fraction form
    512,843/1,115,990.50 = 1,115,990.50/x
  3. Step 3: Cross multiply
    512,843x = 1,115,990.50 × 1,115,990.50
  4. Step 4: Simplify right side
    512,843x = 1,245,434,796,090.25
  5. Step 5: Solve for x
    x = 1,245,434,796,090.25/512,843
  6. Step 6: Final answer
    x = 2,428,491.36

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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.