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Finding the Third Proportional to 6,121 and 13,254

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Solution

The third proportional to 6,121 and 13,254 is: 28,699.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,121 : 13,254 = 13,254 : x
  2. Step 2: Convert to fraction form
    6,121/13,254 = 13,254/x
  3. Step 3: Cross multiply
    6,121x = 13,254 × 13,254
  4. Step 4: Simplify right side
    6,121x = 175,668,516
  5. Step 5: Solve for x
    x = 175,668,516/6,121
  6. Step 6: Final answer
    x = 28,699.32

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.