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Finding the Third Proportional to 235,180.50 and 309,028.50

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Solution

The third proportional to 235,180.50 and 309,028.50 is: 406,065.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,180.50 : 309,028.50 = 309,028.50 : x
  2. Step 2: Convert to fraction form
    235,180.50/309,028.50 = 309,028.50/x
  3. Step 3: Cross multiply
    235,180.50x = 309,028.50 × 309,028.50
  4. Step 4: Simplify right side
    235,180.50x = 95,498,613,812.25
  5. Step 5: Solve for x
    x = 95,498,613,812.25/235,180.50
  6. Step 6: Final answer
    x = 406,065.19

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.