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Finding the Third Proportional to 100,965 and 149,493

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Solution

The third proportional to 100,965 and 149,493 is: 221,345.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,965 : 149,493 = 149,493 : x
  2. Step 2: Convert to fraction form
    100,965/149,493 = 149,493/x
  3. Step 3: Cross multiply
    100,965x = 149,493 × 149,493
  4. Step 4: Simplify right side
    100,965x = 22,348,157,049
  5. Step 5: Solve for x
    x = 22,348,157,049/100,965
  6. Step 6: Final answer
    x = 221,345.59

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.