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Finding the Third Proportional to 135,880 and 277,808

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Solution

The third proportional to 135,880 and 277,808 is: 567,981.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,880 : 277,808 = 277,808 : x
  2. Step 2: Convert to fraction form
    135,880/277,808 = 277,808/x
  3. Step 3: Cross multiply
    135,880x = 277,808 × 277,808
  4. Step 4: Simplify right side
    135,880x = 77,177,284,864
  5. Step 5: Solve for x
    x = 77,177,284,864/135,880
  6. Step 6: Final answer
    x = 567,981.20

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.