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Finding the Third Proportional to 199,802 and 425,029

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Solution

The third proportional to 199,802 and 425,029 is: 904,143.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,802 : 425,029 = 425,029 : x
  2. Step 2: Convert to fraction form
    199,802/425,029 = 425,029/x
  3. Step 3: Cross multiply
    199,802x = 425,029 × 425,029
  4. Step 4: Simplify right side
    199,802x = 180,649,650,841
  5. Step 5: Solve for x
    x = 180,649,650,841/199,802
  6. Step 6: Final answer
    x = 904,143.36

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.