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Finding the Third Proportional to 28,942.31 and 62,790.19

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Solution

The third proportional to 28,942.31 and 62,790.19 is: 136,222.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,942.31 : 62,790.19 = 62,790.19 : x
  2. Step 2: Convert to fraction form
    28,942.31/62,790.19 = 62,790.19/x
  3. Step 3: Cross multiply
    28,942.31x = 62,790.19 × 62,790.19
  4. Step 4: Simplify right side
    28,942.31x = 3,942,607,646.29
  5. Step 5: Solve for x
    x = 3,942,607,646.29/28,942.31
  6. Step 6: Final answer
    x = 136,222.97

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.