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Finding the Third Proportional to 68,905.69 and 151,890.19

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Solution

The third proportional to 68,905.69 and 151,890.19 is: 334,814.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,905.69 : 151,890.19 = 151,890.19 : x
  2. Step 2: Convert to fraction form
    68,905.69/151,890.19 = 151,890.19/x
  3. Step 3: Cross multiply
    68,905.69x = 151,890.19 × 151,890.19
  4. Step 4: Simplify right side
    68,905.69x = 23,070,629,058.79
  5. Step 5: Solve for x
    x = 23,070,629,058.79/68,905.69
  6. Step 6: Final answer
    x = 334,814.58

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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.