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Finding the Third Proportional to 117,880 and 242,672

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Solution

The third proportional to 117,880 and 242,672 is: 499,573.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,880 : 242,672 = 242,672 : x
  2. Step 2: Convert to fraction form
    117,880/242,672 = 242,672/x
  3. Step 3: Cross multiply
    117,880x = 242,672 × 242,672
  4. Step 4: Simplify right side
    117,880x = 58,889,699,584
  5. Step 5: Solve for x
    x = 58,889,699,584/117,880
  6. Step 6: Final answer
    x = 499,573.29

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.