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Finding the Third Proportional to 318,760 and 751,392

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Solution

The third proportional to 318,760 and 751,392 is: 1,771,206.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,760 : 751,392 = 751,392 : x
  2. Step 2: Convert to fraction form
    318,760/751,392 = 751,392/x
  3. Step 3: Cross multiply
    318,760x = 751,392 × 751,392
  4. Step 4: Simplify right side
    318,760x = 564,589,937,664
  5. Step 5: Solve for x
    x = 564,589,937,664/318,760
  6. Step 6: Final answer
    x = 1,771,206.98

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.