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Finding the Third Proportional to 6,242.25 and 13,719

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Solution

The third proportional to 6,242.25 and 13,719 is: 30,151.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,242.25 : 13,719 = 13,719 : x
  2. Step 2: Convert to fraction form
    6,242.25/13,719 = 13,719/x
  3. Step 3: Cross multiply
    6,242.25x = 13,719 × 13,719
  4. Step 4: Simplify right side
    6,242.25x = 188,210,961
  5. Step 5: Solve for x
    x = 188,210,961/6,242.25
  6. Step 6: Final answer
    x = 30,151.14

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.