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Finding the Third Proportional to 279,056 and 603,040

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Solution

The third proportional to 279,056 and 603,040 is: 1,303,169.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,056 : 603,040 = 603,040 : x
  2. Step 2: Convert to fraction form
    279,056/603,040 = 603,040/x
  3. Step 3: Cross multiply
    279,056x = 603,040 × 603,040
  4. Step 4: Simplify right side
    279,056x = 363,657,241,600
  5. Step 5: Solve for x
    x = 363,657,241,600/279,056
  6. Step 6: Final answer
    x = 1,303,169.41

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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.