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Finding the Third Proportional to 105,028 and 159,702

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Solution

The third proportional to 105,028 and 159,702 is: 242,837.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,028 : 159,702 = 159,702 : x
  2. Step 2: Convert to fraction form
    105,028/159,702 = 159,702/x
  3. Step 3: Cross multiply
    105,028x = 159,702 × 159,702
  4. Step 4: Simplify right side
    105,028x = 25,504,728,804
  5. Step 5: Solve for x
    x = 25,504,728,804/105,028
  6. Step 6: Final answer
    x = 242,837.42

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.