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Finding the Third Proportional to 63,115.50 and 136,072.50

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Solution

The third proportional to 63,115.50 and 136,072.50 is: 293,362.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,115.50 : 136,072.50 = 136,072.50 : x
  2. Step 2: Convert to fraction form
    63,115.50/136,072.50 = 136,072.50/x
  3. Step 3: Cross multiply
    63,115.50x = 136,072.50 × 136,072.50
  4. Step 4: Simplify right side
    63,115.50x = 18,515,725,256.25
  5. Step 5: Solve for x
    x = 18,515,725,256.25/63,115.50
  6. Step 6: Final answer
    x = 293,362.57

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.