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Finding the Third Proportional to 6,911 and 14,643

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Solution

The third proportional to 6,911 and 14,643 is: 31,025.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,911 : 14,643 = 14,643 : x
  2. Step 2: Convert to fraction form
    6,911/14,643 = 14,643/x
  3. Step 3: Cross multiply
    6,911x = 14,643 × 14,643
  4. Step 4: Simplify right side
    6,911x = 214,417,449
  5. Step 5: Solve for x
    x = 214,417,449/6,911
  6. Step 6: Final answer
    x = 31,025.53

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.