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Finding the Third Proportional to 133,188 and 292,623

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Solution

The third proportional to 133,188 and 292,623 is: 642,912.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,188 : 292,623 = 292,623 : x
  2. Step 2: Convert to fraction form
    133,188/292,623 = 292,623/x
  3. Step 3: Cross multiply
    133,188x = 292,623 × 292,623
  4. Step 4: Simplify right side
    133,188x = 85,628,220,129
  5. Step 5: Solve for x
    x = 85,628,220,129/133,188
  6. Step 6: Final answer
    x = 642,912.43

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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.