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Finding the Third Proportional to 54,297 and 117,942

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Solution

The third proportional to 54,297 and 117,942 is: 256,189.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,297 : 117,942 = 117,942 : x
  2. Step 2: Convert to fraction form
    54,297/117,942 = 117,942/x
  3. Step 3: Cross multiply
    54,297x = 117,942 × 117,942
  4. Step 4: Simplify right side
    54,297x = 13,910,315,364
  5. Step 5: Solve for x
    x = 13,910,315,364/54,297
  6. Step 6: Final answer
    x = 256,189.39

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.