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Finding the Third Proportional to 53,478 and 113,765

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Solution

The third proportional to 53,478 and 113,765 is: 242,014.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,478 : 113,765 = 113,765 : x
  2. Step 2: Convert to fraction form
    53,478/113,765 = 113,765/x
  3. Step 3: Cross multiply
    53,478x = 113,765 × 113,765
  4. Step 4: Simplify right side
    53,478x = 12,942,475,225
  5. Step 5: Solve for x
    x = 12,942,475,225/53,478
  6. Step 6: Final answer
    x = 242,014.94

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.