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Finding the Third Proportional to 75,742 and 159,318

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Solution

The third proportional to 75,742 and 159,318 is: 335,114.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,742 : 159,318 = 159,318 : x
  2. Step 2: Convert to fraction form
    75,742/159,318 = 159,318/x
  3. Step 3: Cross multiply
    75,742x = 159,318 × 159,318
  4. Step 4: Simplify right side
    75,742x = 25,382,225,124
  5. Step 5: Solve for x
    x = 25,382,225,124/75,742
  6. Step 6: Final answer
    x = 335,114.27

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.