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Finding the Third Proportional to 45,131 and 97,856

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Solution

The third proportional to 45,131 and 97,856 is: 212,177.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,131 : 97,856 = 97,856 : x
  2. Step 2: Convert to fraction form
    45,131/97,856 = 97,856/x
  3. Step 3: Cross multiply
    45,131x = 97,856 × 97,856
  4. Step 4: Simplify right side
    45,131x = 9,575,796,736
  5. Step 5: Solve for x
    x = 9,575,796,736/45,131
  6. Step 6: Final answer
    x = 212,177.81

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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.