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Finding the Third Proportional to 185,918 and 284,457

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Solution

The third proportional to 185,918 and 284,457 is: 435,222.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,918 : 284,457 = 284,457 : x
  2. Step 2: Convert to fraction form
    185,918/284,457 = 284,457/x
  3. Step 3: Cross multiply
    185,918x = 284,457 × 284,457
  4. Step 4: Simplify right side
    185,918x = 80,915,784,849
  5. Step 5: Solve for x
    x = 80,915,784,849/185,918
  6. Step 6: Final answer
    x = 435,222.97

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.