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Finding the Third Proportional to 200,808 and 301,221

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Solution

The third proportional to 200,808 and 301,221 is: 451,845.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,808 : 301,221 = 301,221 : x
  2. Step 2: Convert to fraction form
    200,808/301,221 = 301,221/x
  3. Step 3: Cross multiply
    200,808x = 301,221 × 301,221
  4. Step 4: Simplify right side
    200,808x = 90,734,090,841
  5. Step 5: Solve for x
    x = 90,734,090,841/200,808
  6. Step 6: Final answer
    x = 451,845.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.