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Finding the Third Proportional to 279,080 and 607,932

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Solution

The third proportional to 279,080 and 607,932 is: 1,324,284.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,080 : 607,932 = 607,932 : x
  2. Step 2: Convert to fraction form
    279,080/607,932 = 607,932/x
  3. Step 3: Cross multiply
    279,080x = 607,932 × 607,932
  4. Step 4: Simplify right side
    279,080x = 369,581,316,624
  5. Step 5: Solve for x
    x = 369,581,316,624/279,080
  6. Step 6: Final answer
    x = 1,324,284.49

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.