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Finding the Third Proportional to 92,721 and 200,225

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Solution

The third proportional to 92,721 and 200,225 is: 432,372.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,721 : 200,225 = 200,225 : x
  2. Step 2: Convert to fraction form
    92,721/200,225 = 200,225/x
  3. Step 3: Cross multiply
    92,721x = 200,225 × 200,225
  4. Step 4: Simplify right side
    92,721x = 40,090,050,625
  5. Step 5: Solve for x
    x = 40,090,050,625/92,721
  6. Step 6: Final answer
    x = 432,372.93

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.