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Finding the Third Proportional to 73,719 and 157,956

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Solution

The third proportional to 73,719 and 157,956 is: 338,448.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,719 : 157,956 = 157,956 : x
  2. Step 2: Convert to fraction form
    73,719/157,956 = 157,956/x
  3. Step 3: Cross multiply
    73,719x = 157,956 × 157,956
  4. Step 4: Simplify right side
    73,719x = 24,950,097,936
  5. Step 5: Solve for x
    x = 24,950,097,936/73,719
  6. Step 6: Final answer
    x = 338,448.68

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.