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Finding the Third Proportional to 131,068.13 and 190,243.69

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Solution

The third proportional to 131,068.13 and 190,243.69 is: 276,136.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,068.13 : 190,243.69 = 190,243.69 : x
  2. Step 2: Convert to fraction form
    131,068.13/190,243.69 = 190,243.69/x
  3. Step 3: Cross multiply
    131,068.13x = 190,243.69 × 190,243.69
  4. Step 4: Simplify right side
    131,068.13x = 36,192,660,633.60
  5. Step 5: Solve for x
    x = 36,192,660,633.60/131,068.13
  6. Step 6: Final answer
    x = 276,136.25

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.