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Finding the Third Proportional to 75,930 and 151,770

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Solution

The third proportional to 75,930 and 151,770 is: 303,360.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,930 : 151,770 = 151,770 : x
  2. Step 2: Convert to fraction form
    75,930/151,770 = 151,770/x
  3. Step 3: Cross multiply
    75,930x = 151,770 × 151,770
  4. Step 4: Simplify right side
    75,930x = 23,034,132,900
  5. Step 5: Solve for x
    x = 23,034,132,900/75,930
  6. Step 6: Final answer
    x = 303,360.11

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Why These Related Problems?

These problems maintain the same ratio (2.00) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.