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Finding the Third Proportional to 13,786 and 29,756

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Solution

The third proportional to 13,786 and 29,756 is: 64,225.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,786 : 29,756 = 29,756 : x
  2. Step 2: Convert to fraction form
    13,786/29,756 = 29,756/x
  3. Step 3: Cross multiply
    13,786x = 29,756 × 29,756
  4. Step 4: Simplify right side
    13,786x = 885,419,536
  5. Step 5: Solve for x
    x = 885,419,536/13,786
  6. Step 6: Final answer
    x = 64,225.99

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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.