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Finding the Third Proportional to 6,423.75 and 13,805.25

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Solution

The third proportional to 6,423.75 and 13,805.25 is: 29,668.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,423.75 : 13,805.25 = 13,805.25 : x
  2. Step 2: Convert to fraction form
    6,423.75/13,805.25 = 13,805.25/x
  3. Step 3: Cross multiply
    6,423.75x = 13,805.25 × 13,805.25
  4. Step 4: Simplify right side
    6,423.75x = 190,584,927.56
  5. Step 5: Solve for x
    x = 190,584,927.56/6,423.75
  6. Step 6: Final answer
    x = 29,668.80

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.