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Finding the Third Proportional to 10,278 and 22,115.25

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Solution

The third proportional to 10,278 and 22,115.25 is: 47,585.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,278 : 22,115.25 = 22,115.25 : x
  2. Step 2: Convert to fraction form
    10,278/22,115.25 = 22,115.25/x
  3. Step 3: Cross multiply
    10,278x = 22,115.25 × 22,115.25
  4. Step 4: Simplify right side
    10,278x = 489,084,282.56
  5. Step 5: Solve for x
    x = 489,084,282.56/10,278
  6. Step 6: Final answer
    x = 47,585.55

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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.