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Finding the Third Proportional to 117,816 and 242,544

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Solution

The third proportional to 117,816 and 242,544 is: 499,317.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,816 : 242,544 = 242,544 : x
  2. Step 2: Convert to fraction form
    117,816/242,544 = 242,544/x
  3. Step 3: Cross multiply
    117,816x = 242,544 × 242,544
  4. Step 4: Simplify right side
    117,816x = 58,827,591,936
  5. Step 5: Solve for x
    x = 58,827,591,936/117,816
  6. Step 6: Final answer
    x = 499,317.51

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.