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Finding the Third Proportional to 203,556 and 448,440

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Solution

The third proportional to 203,556 and 448,440 is: 987,926.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,556 : 448,440 = 448,440 : x
  2. Step 2: Convert to fraction form
    203,556/448,440 = 448,440/x
  3. Step 3: Cross multiply
    203,556x = 448,440 × 448,440
  4. Step 4: Simplify right side
    203,556x = 201,098,433,600
  5. Step 5: Solve for x
    x = 201,098,433,600/203,556
  6. Step 6: Final answer
    x = 987,926.83

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.