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Finding the Third Proportional to 70,074 and 108,796

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Solution

The third proportional to 70,074 and 108,796 is: 168,915.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,074 : 108,796 = 108,796 : x
  2. Step 2: Convert to fraction form
    70,074/108,796 = 108,796/x
  3. Step 3: Cross multiply
    70,074x = 108,796 × 108,796
  4. Step 4: Simplify right side
    70,074x = 11,836,569,616
  5. Step 5: Solve for x
    x = 11,836,569,616/70,074
  6. Step 6: Final answer
    x = 168,915.28

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.