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Finding the Third Proportional to 276,935 and 414,939

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Solution

The third proportional to 276,935 and 414,939 is: 621,714.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,935 : 414,939 = 414,939 : x
  2. Step 2: Convert to fraction form
    276,935/414,939 = 414,939/x
  3. Step 3: Cross multiply
    276,935x = 414,939 × 414,939
  4. Step 4: Simplify right side
    276,935x = 172,174,373,721
  5. Step 5: Solve for x
    x = 172,174,373,721/276,935
  6. Step 6: Final answer
    x = 621,714.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.