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Finding the Third Proportional to 279,918 and 604,040

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Solution

The third proportional to 279,918 and 604,040 is: 1,303,468.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,918 : 604,040 = 604,040 : x
  2. Step 2: Convert to fraction form
    279,918/604,040 = 604,040/x
  3. Step 3: Cross multiply
    279,918x = 604,040 × 604,040
  4. Step 4: Simplify right side
    279,918x = 364,864,321,600
  5. Step 5: Solve for x
    x = 364,864,321,600/279,918
  6. Step 6: Final answer
    x = 1,303,468.59

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.