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Finding the Third Proportional to 6,752 and 10,720

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Solution

The third proportional to 6,752 and 10,720 is: 17,019.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,752 : 10,720 = 10,720 : x
  2. Step 2: Convert to fraction form
    6,752/10,720 = 10,720/x
  3. Step 3: Cross multiply
    6,752x = 10,720 × 10,720
  4. Step 4: Simplify right side
    6,752x = 114,918,400
  5. Step 5: Solve for x
    x = 114,918,400/6,752
  6. Step 6: Final answer
    x = 17,019.91

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.