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Finding the Third Proportional to 159,067.75 and 343,043

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Solution

The third proportional to 159,067.75 and 343,043 is: 739,801.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,067.75 : 343,043 = 343,043 : x
  2. Step 2: Convert to fraction form
    159,067.75/343,043 = 343,043/x
  3. Step 3: Cross multiply
    159,067.75x = 343,043 × 343,043
  4. Step 4: Simplify right side
    159,067.75x = 117,678,499,849
  5. Step 5: Solve for x
    x = 117,678,499,849/159,067.75
  6. Step 6: Final answer
    x = 739,801.12

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.