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Finding the Third Proportional to 203,912 and 323,897

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Solution

The third proportional to 203,912 and 323,897 is: 514,483.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,912 : 323,897 = 323,897 : x
  2. Step 2: Convert to fraction form
    203,912/323,897 = 323,897/x
  3. Step 3: Cross multiply
    203,912x = 323,897 × 323,897
  4. Step 4: Simplify right side
    203,912x = 104,909,266,609
  5. Step 5: Solve for x
    x = 104,909,266,609/203,912
  6. Step 6: Final answer
    x = 514,483.04

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.