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Finding the Third Proportional to 101,790 and 149,644

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Solution

The third proportional to 101,790 and 149,644 is: 219,995.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,790 : 149,644 = 149,644 : x
  2. Step 2: Convert to fraction form
    101,790/149,644 = 149,644/x
  3. Step 3: Cross multiply
    101,790x = 149,644 × 149,644
  4. Step 4: Simplify right side
    101,790x = 22,393,326,736
  5. Step 5: Solve for x
    x = 22,393,326,736/101,790
  6. Step 6: Final answer
    x = 219,995.35

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.