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Finding the Third Proportional to 103,636 and 222,368

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Solution

The third proportional to 103,636 and 222,368 is: 477,126.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,636 : 222,368 = 222,368 : x
  2. Step 2: Convert to fraction form
    103,636/222,368 = 222,368/x
  3. Step 3: Cross multiply
    103,636x = 222,368 × 222,368
  4. Step 4: Simplify right side
    103,636x = 49,447,527,424
  5. Step 5: Solve for x
    x = 49,447,527,424/103,636
  6. Step 6: Final answer
    x = 477,126.94

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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.