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Finding the Third Proportional to 276,088 and 603,872

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Solution

The third proportional to 276,088 and 603,872 is: 1,320,815.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,088 : 603,872 = 603,872 : x
  2. Step 2: Convert to fraction form
    276,088/603,872 = 603,872/x
  3. Step 3: Cross multiply
    276,088x = 603,872 × 603,872
  4. Step 4: Simplify right side
    276,088x = 364,661,392,384
  5. Step 5: Solve for x
    x = 364,661,392,384/276,088
  6. Step 6: Final answer
    x = 1,320,815.80

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.