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Finding the Third Proportional to 4,877.75 and 10,336

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Solution

The third proportional to 4,877.75 and 10,336 is: 21,902.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,877.75 : 10,336 = 10,336 : x
  2. Step 2: Convert to fraction form
    4,877.75/10,336 = 10,336/x
  3. Step 3: Cross multiply
    4,877.75x = 10,336 × 10,336
  4. Step 4: Simplify right side
    4,877.75x = 106,832,896
  5. Step 5: Solve for x
    x = 106,832,896/4,877.75
  6. Step 6: Final answer
    x = 21,902.09

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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.