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Finding the Third Proportional to 58,770 and 126,891

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Solution

The third proportional to 58,770 and 126,891 is: 273,971.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,770 : 126,891 = 126,891 : x
  2. Step 2: Convert to fraction form
    58,770/126,891 = 126,891/x
  3. Step 3: Cross multiply
    58,770x = 126,891 × 126,891
  4. Step 4: Simplify right side
    58,770x = 16,101,325,881
  5. Step 5: Solve for x
    x = 16,101,325,881/58,770
  6. Step 6: Final answer
    x = 273,971.85

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.