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Finding the Third Proportional to 107,298 and 159,678

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Solution

The third proportional to 107,298 and 159,678 is: 237,628.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,298 : 159,678 = 159,678 : x
  2. Step 2: Convert to fraction form
    107,298/159,678 = 159,678/x
  3. Step 3: Cross multiply
    107,298x = 159,678 × 159,678
  4. Step 4: Simplify right side
    107,298x = 25,497,063,684
  5. Step 5: Solve for x
    x = 25,497,063,684/107,298
  6. Step 6: Final answer
    x = 237,628.51

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.