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Finding the Third Proportional to 6,449 and 13,985

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Solution

The third proportional to 6,449 and 13,985 is: 30,327.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,449 : 13,985 = 13,985 : x
  2. Step 2: Convert to fraction form
    6,449/13,985 = 13,985/x
  3. Step 3: Cross multiply
    6,449x = 13,985 × 13,985
  4. Step 4: Simplify right side
    6,449x = 195,580,225
  5. Step 5: Solve for x
    x = 195,580,225/6,449
  6. Step 6: Final answer
    x = 30,327.22

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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.