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Finding the Third Proportional to 73,141 and 157,379

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Solution

The third proportional to 73,141 and 157,379 is: 338,635.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,141 : 157,379 = 157,379 : x
  2. Step 2: Convert to fraction form
    73,141/157,379 = 157,379/x
  3. Step 3: Cross multiply
    73,141x = 157,379 × 157,379
  4. Step 4: Simplify right side
    73,141x = 24,768,149,641
  5. Step 5: Solve for x
    x = 24,768,149,641/73,141
  6. Step 6: Final answer
    x = 338,635.64

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.