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Finding the Third Proportional to 63,696.38 and 139,512.38

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Solution

The third proportional to 63,696.38 and 139,512.38 is: 305,570.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,696.38 : 139,512.38 = 139,512.38 : x
  2. Step 2: Convert to fraction form
    63,696.38/139,512.38 = 139,512.38/x
  3. Step 3: Cross multiply
    63,696.38x = 139,512.38 × 139,512.38
  4. Step 4: Simplify right side
    63,696.38x = 19,463,702,778.14
  5. Step 5: Solve for x
    x = 19,463,702,778.14/63,696.38
  6. Step 6: Final answer
    x = 305,570.02

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.