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Finding the Third Proportional to 288,532 and 613,928

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Solution

The third proportional to 288,532 and 613,928 is: 1,306,293.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,532 : 613,928 = 613,928 : x
  2. Step 2: Convert to fraction form
    288,532/613,928 = 613,928/x
  3. Step 3: Cross multiply
    288,532x = 613,928 × 613,928
  4. Step 4: Simplify right side
    288,532x = 376,907,589,184
  5. Step 5: Solve for x
    x = 376,907,589,184/288,532
  6. Step 6: Final answer
    x = 1,306,293.89

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.