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Finding the Third Proportional to 276,556 and 603,171

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Solution

The third proportional to 276,556 and 603,171 is: 1,315,521.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,556 : 603,171 = 603,171 : x
  2. Step 2: Convert to fraction form
    276,556/603,171 = 603,171/x
  3. Step 3: Cross multiply
    276,556x = 603,171 × 603,171
  4. Step 4: Simplify right side
    276,556x = 363,815,255,241
  5. Step 5: Solve for x
    x = 363,815,255,241/276,556
  6. Step 6: Final answer
    x = 1,315,521.11

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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.