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Finding the Third Proportional to 79,812 and 174,582

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Solution

The third proportional to 79,812 and 174,582 is: 381,883.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,812 : 174,582 = 174,582 : x
  2. Step 2: Convert to fraction form
    79,812/174,582 = 174,582/x
  3. Step 3: Cross multiply
    79,812x = 174,582 × 174,582
  4. Step 4: Simplify right side
    79,812x = 30,478,874,724
  5. Step 5: Solve for x
    x = 30,478,874,724/79,812
  6. Step 6: Final answer
    x = 381,883.36

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.