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Finding the Third Proportional to 282,880 and 616,256

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Solution

The third proportional to 282,880 and 616,256 is: 1,342,517.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,880 : 616,256 = 616,256 : x
  2. Step 2: Convert to fraction form
    282,880/616,256 = 616,256/x
  3. Step 3: Cross multiply
    282,880x = 616,256 × 616,256
  4. Step 4: Simplify right side
    282,880x = 379,771,457,536
  5. Step 5: Solve for x
    x = 379,771,457,536/282,880
  6. Step 6: Final answer
    x = 1,342,517.88

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.