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Finding the Third Proportional to 49,630 and 117,138

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Solution

The third proportional to 49,630 and 117,138 is: 276,472.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,630 : 117,138 = 117,138 : x
  2. Step 2: Convert to fraction form
    49,630/117,138 = 117,138/x
  3. Step 3: Cross multiply
    49,630x = 117,138 × 117,138
  4. Step 4: Simplify right side
    49,630x = 13,721,311,044
  5. Step 5: Solve for x
    x = 13,721,311,044/49,630
  6. Step 6: Final answer
    x = 276,472.11

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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.