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Finding the Third Proportional to 227,172 and 318,552

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Solution

The third proportional to 227,172 and 318,552 is: 446,689.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,172 : 318,552 = 318,552 : x
  2. Step 2: Convert to fraction form
    227,172/318,552 = 318,552/x
  3. Step 3: Cross multiply
    227,172x = 318,552 × 318,552
  4. Step 4: Simplify right side
    227,172x = 101,475,376,704
  5. Step 5: Solve for x
    x = 101,475,376,704/227,172
  6. Step 6: Final answer
    x = 446,689.63

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.