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Finding the Third Proportional to 6,209 and 13,579

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Solution

The third proportional to 6,209 and 13,579 is: 29,697.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,209 : 13,579 = 13,579 : x
  2. Step 2: Convert to fraction form
    6,209/13,579 = 13,579/x
  3. Step 3: Cross multiply
    6,209x = 13,579 × 13,579
  4. Step 4: Simplify right side
    6,209x = 184,389,241
  5. Step 5: Solve for x
    x = 184,389,241/6,209
  6. Step 6: Final answer
    x = 29,697.09

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.