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Finding the Third Proportional to 279,028.31 and 605,623.88

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Solution

The third proportional to 279,028.31 and 605,623.88 is: 1,314,491.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,028.31 : 605,623.88 = 605,623.88 : x
  2. Step 2: Convert to fraction form
    279,028.31/605,623.88 = 605,623.88/x
  3. Step 3: Cross multiply
    279,028.31x = 605,623.88 × 605,623.88
  4. Step 4: Simplify right side
    279,028.31x = 366,780,277,970.02
  5. Step 5: Solve for x
    x = 366,780,277,970.02/279,028.31
  6. Step 6: Final answer
    x = 1,314,491.26

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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.