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Finding the Third Proportional to 12,752 and 18,739

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Solution

The third proportional to 12,752 and 18,739 is: 27,536.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,752 : 18,739 = 18,739 : x
  2. Step 2: Convert to fraction form
    12,752/18,739 = 18,739/x
  3. Step 3: Cross multiply
    12,752x = 18,739 × 18,739
  4. Step 4: Simplify right side
    12,752x = 351,150,121
  5. Step 5: Solve for x
    x = 351,150,121/12,752
  6. Step 6: Final answer
    x = 27,536.87

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.