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Finding the Third Proportional to 69,042 and 102,248

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Solution

The third proportional to 69,042 and 102,248 is: 151,424.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,042 : 102,248 = 102,248 : x
  2. Step 2: Convert to fraction form
    69,042/102,248 = 102,248/x
  3. Step 3: Cross multiply
    69,042x = 102,248 × 102,248
  4. Step 4: Simplify right side
    69,042x = 10,454,653,504
  5. Step 5: Solve for x
    x = 10,454,653,504/69,042
  6. Step 6: Final answer
    x = 151,424.55

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.