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Finding the Third Proportional to 45,812 and 99,457

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Solution

The third proportional to 45,812 and 99,457 is: 215,919.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,812 : 99,457 = 99,457 : x
  2. Step 2: Convert to fraction form
    45,812/99,457 = 99,457/x
  3. Step 3: Cross multiply
    45,812x = 99,457 × 99,457
  4. Step 4: Simplify right side
    45,812x = 9,891,694,849
  5. Step 5: Solve for x
    x = 9,891,694,849/45,812
  6. Step 6: Final answer
    x = 215,919.30

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.