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Finding the Third Proportional to 284,767 and 626,378

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Solution

The third proportional to 284,767 and 626,378 is: 1,377,790.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,767 : 626,378 = 626,378 : x
  2. Step 2: Convert to fraction form
    284,767/626,378 = 626,378/x
  3. Step 3: Cross multiply
    284,767x = 626,378 × 626,378
  4. Step 4: Simplify right side
    284,767x = 392,349,398,884
  5. Step 5: Solve for x
    x = 392,349,398,884/284,767
  6. Step 6: Final answer
    x = 1,377,790.96

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.