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Finding the Third Proportional to 179,774 and 399,453

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Solution

The third proportional to 179,774 and 399,453 is: 887,573.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,774 : 399,453 = 399,453 : x
  2. Step 2: Convert to fraction form
    179,774/399,453 = 399,453/x
  3. Step 3: Cross multiply
    179,774x = 399,453 × 399,453
  4. Step 4: Simplify right side
    179,774x = 159,562,699,209
  5. Step 5: Solve for x
    x = 159,562,699,209/179,774
  6. Step 6: Final answer
    x = 887,573.84

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.