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Finding the Third Proportional to 5,109.75 and 13,752

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Solution

The third proportional to 5,109.75 and 13,752 is: 37,011.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,109.75 : 13,752 = 13,752 : x
  2. Step 2: Convert to fraction form
    5,109.75/13,752 = 13,752/x
  3. Step 3: Cross multiply
    5,109.75x = 13,752 × 13,752
  4. Step 4: Simplify right side
    5,109.75x = 189,117,504
  5. Step 5: Solve for x
    x = 189,117,504/5,109.75
  6. Step 6: Final answer
    x = 37,011.11

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Why These Related Problems?

These problems maintain the same ratio (2.69) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.