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Finding the Third Proportional to 192,791 and 430,294

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Solution

The third proportional to 192,791 and 430,294 is: 960,381.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,791 : 430,294 = 430,294 : x
  2. Step 2: Convert to fraction form
    192,791/430,294 = 430,294/x
  3. Step 3: Cross multiply
    192,791x = 430,294 × 430,294
  4. Step 4: Simplify right side
    192,791x = 185,152,926,436
  5. Step 5: Solve for x
    x = 185,152,926,436/192,791
  6. Step 6: Final answer
    x = 960,381.59

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.