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Finding the Third Proportional to 117,042 and 276,122

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Solution

The third proportional to 117,042 and 276,122 is: 651,418.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,042 : 276,122 = 276,122 : x
  2. Step 2: Convert to fraction form
    117,042/276,122 = 276,122/x
  3. Step 3: Cross multiply
    117,042x = 276,122 × 276,122
  4. Step 4: Simplify right side
    117,042x = 76,243,358,884
  5. Step 5: Solve for x
    x = 76,243,358,884/117,042
  6. Step 6: Final answer
    x = 651,418.80

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.