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Finding the Third Proportional to 210,035 and 318,936

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Solution

The third proportional to 210,035 and 318,936 is: 484,301.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,035 : 318,936 = 318,936 : x
  2. Step 2: Convert to fraction form
    210,035/318,936 = 318,936/x
  3. Step 3: Cross multiply
    210,035x = 318,936 × 318,936
  4. Step 4: Simplify right side
    210,035x = 101,720,172,096
  5. Step 5: Solve for x
    x = 101,720,172,096/210,035
  6. Step 6: Final answer
    x = 484,301.06

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.