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Finding the Third Proportional to 133,494.75 and 290,067.75

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Solution

The third proportional to 133,494.75 and 290,067.75 is: 630,281.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,494.75 : 290,067.75 = 290,067.75 : x
  2. Step 2: Convert to fraction form
    133,494.75/290,067.75 = 290,067.75/x
  3. Step 3: Cross multiply
    133,494.75x = 290,067.75 × 290,067.75
  4. Step 4: Simplify right side
    133,494.75x = 84,139,299,590.06
  5. Step 5: Solve for x
    x = 84,139,299,590.06/133,494.75
  6. Step 6: Final answer
    x = 630,281.71

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.