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Finding the Third Proportional to 178,073 and 277,322

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Solution

The third proportional to 178,073 and 277,322 is: 431,887.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,073 : 277,322 = 277,322 : x
  2. Step 2: Convert to fraction form
    178,073/277,322 = 277,322/x
  3. Step 3: Cross multiply
    178,073x = 277,322 × 277,322
  4. Step 4: Simplify right side
    178,073x = 76,907,491,684
  5. Step 5: Solve for x
    x = 76,907,491,684/178,073
  6. Step 6: Final answer
    x = 431,887.44

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.