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Finding the Third Proportional to 53,543 and 113,242

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Solution

The third proportional to 53,543 and 113,242 is: 239,503.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,543 : 113,242 = 113,242 : x
  2. Step 2: Convert to fraction form
    53,543/113,242 = 113,242/x
  3. Step 3: Cross multiply
    53,543x = 113,242 × 113,242
  4. Step 4: Simplify right side
    53,543x = 12,823,750,564
  5. Step 5: Solve for x
    x = 12,823,750,564/53,543
  6. Step 6: Final answer
    x = 239,503.77

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.