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Finding the Third Proportional to 133,042 and 285,770

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Solution

The third proportional to 133,042 and 285,770 is: 613,824.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,042 : 285,770 = 285,770 : x
  2. Step 2: Convert to fraction form
    133,042/285,770 = 285,770/x
  3. Step 3: Cross multiply
    133,042x = 285,770 × 285,770
  4. Step 4: Simplify right side
    133,042x = 81,664,492,900
  5. Step 5: Solve for x
    x = 81,664,492,900/133,042
  6. Step 6: Final answer
    x = 613,824.90

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.