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Finding the Third Proportional to 102,240 and 149,922

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Solution

The third proportional to 102,240 and 149,922 is: 219,841.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,240 : 149,922 = 149,922 : x
  2. Step 2: Convert to fraction form
    102,240/149,922 = 149,922/x
  3. Step 3: Cross multiply
    102,240x = 149,922 × 149,922
  4. Step 4: Simplify right side
    102,240x = 22,476,606,084
  5. Step 5: Solve for x
    x = 22,476,606,084/102,240
  6. Step 6: Final answer
    x = 219,841.61

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.