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Finding the Third Proportional to 111,620 and 159,127

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Solution

The third proportional to 111,620 and 159,127 is: 226,853.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,620 : 159,127 = 159,127 : x
  2. Step 2: Convert to fraction form
    111,620/159,127 = 159,127/x
  3. Step 3: Cross multiply
    111,620x = 159,127 × 159,127
  4. Step 4: Simplify right side
    111,620x = 25,321,402,129
  5. Step 5: Solve for x
    x = 25,321,402,129/111,620
  6. Step 6: Final answer
    x = 226,853.63

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.