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Finding the Third Proportional to 58,690 and 126,734

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Solution

The third proportional to 58,690 and 126,734 is: 273,666.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,690 : 126,734 = 126,734 : x
  2. Step 2: Convert to fraction form
    58,690/126,734 = 126,734/x
  3. Step 3: Cross multiply
    58,690x = 126,734 × 126,734
  4. Step 4: Simplify right side
    58,690x = 16,061,506,756
  5. Step 5: Solve for x
    x = 16,061,506,756/58,690
  6. Step 6: Final answer
    x = 273,666.84

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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.