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Finding the Third Proportional to 199,305 and 425,217

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Solution

The third proportional to 199,305 and 425,217 is: 907,200.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,305 : 425,217 = 425,217 : x
  2. Step 2: Convert to fraction form
    199,305/425,217 = 425,217/x
  3. Step 3: Cross multiply
    199,305x = 425,217 × 425,217
  4. Step 4: Simplify right side
    199,305x = 180,809,497,089
  5. Step 5: Solve for x
    x = 180,809,497,089/199,305
  6. Step 6: Final answer
    x = 907,200.01

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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.