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Finding the Third Proportional to 6,875 and 11,069

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Solution

The third proportional to 6,875 and 11,069 is: 17,821.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,875 : 11,069 = 11,069 : x
  2. Step 2: Convert to fraction form
    6,875/11,069 = 11,069/x
  3. Step 3: Cross multiply
    6,875x = 11,069 × 11,069
  4. Step 4: Simplify right side
    6,875x = 122,522,761
  5. Step 5: Solve for x
    x = 122,522,761/6,875
  6. Step 6: Final answer
    x = 17,821.49

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.