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Finding the Third Proportional to 626,858 and 1,373,894

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Solution

The third proportional to 626,858 and 1,373,894 is: 3,011,183.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,858 : 1,373,894 = 1,373,894 : x
  2. Step 2: Convert to fraction form
    626,858/1,373,894 = 1,373,894/x
  3. Step 3: Cross multiply
    626,858x = 1,373,894 × 1,373,894
  4. Step 4: Simplify right side
    626,858x = 1,887,584,723,236
  5. Step 5: Solve for x
    x = 1,887,584,723,236/626,858
  6. Step 6: Final answer
    x = 3,011,183.91

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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.