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Finding the Third Proportional to 4,600 and 10,690

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Solution

The third proportional to 4,600 and 10,690 is: 24,842.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,600 : 10,690 = 10,690 : x
  2. Step 2: Convert to fraction form
    4,600/10,690 = 10,690/x
  3. Step 3: Cross multiply
    4,600x = 10,690 × 10,690
  4. Step 4: Simplify right side
    4,600x = 114,276,100
  5. Step 5: Solve for x
    x = 114,276,100/4,600
  6. Step 6: Final answer
    x = 24,842.63

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.