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Finding the Third Proportional to 6,405 and 14,838

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Solution

The third proportional to 6,405 and 14,838 is: 34,374.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,405 : 14,838 = 14,838 : x
  2. Step 2: Convert to fraction form
    6,405/14,838 = 14,838/x
  3. Step 3: Cross multiply
    6,405x = 14,838 × 14,838
  4. Step 4: Simplify right side
    6,405x = 220,166,244
  5. Step 5: Solve for x
    x = 220,166,244/6,405
  6. Step 6: Final answer
    x = 34,374.12

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.