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Finding the Third Proportional to 57,922 and 126,915

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Solution

The third proportional to 57,922 and 126,915 is: 278,088.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,922 : 126,915 = 126,915 : x
  2. Step 2: Convert to fraction form
    57,922/126,915 = 126,915/x
  3. Step 3: Cross multiply
    57,922x = 126,915 × 126,915
  4. Step 4: Simplify right side
    57,922x = 16,107,417,225
  5. Step 5: Solve for x
    x = 16,107,417,225/57,922
  6. Step 6: Final answer
    x = 278,088.07

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.