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Finding the Third Proportional to 62,121.56 and 135,117.38

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Solution

The third proportional to 62,121.56 and 135,117.38 is: 293,886.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,121.56 : 135,117.38 = 135,117.38 : x
  2. Step 2: Convert to fraction form
    62,121.56/135,117.38 = 135,117.38/x
  3. Step 3: Cross multiply
    62,121.56x = 135,117.38 × 135,117.38
  4. Step 4: Simplify right side
    62,121.56x = 18,256,705,026.89
  5. Step 5: Solve for x
    x = 18,256,705,026.89/62,121.56
  6. Step 6: Final answer
    x = 293,886.76

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.