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Finding the Third Proportional to 62,427.38 and 136,515.38

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Solution

The third proportional to 62,427.38 and 136,515.38 is: 298,530.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,427.38 : 136,515.38 = 136,515.38 : x
  2. Step 2: Convert to fraction form
    62,427.38/136,515.38 = 136,515.38/x
  3. Step 3: Cross multiply
    62,427.38x = 136,515.38 × 136,515.38
  4. Step 4: Simplify right side
    62,427.38x = 18,636,447,611.39
  5. Step 5: Solve for x
    x = 18,636,447,611.39/62,427.38
  6. Step 6: Final answer
    x = 298,530.05

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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.