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Finding the Third Proportional to 49,131 and 115,488

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Solution

The third proportional to 49,131 and 115,488 is: 271,467.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,131 : 115,488 = 115,488 : x
  2. Step 2: Convert to fraction form
    49,131/115,488 = 115,488/x
  3. Step 3: Cross multiply
    49,131x = 115,488 × 115,488
  4. Step 4: Simplify right side
    49,131x = 13,337,478,144
  5. Step 5: Solve for x
    x = 13,337,478,144/49,131
  6. Step 6: Final answer
    x = 271,467.67

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.