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Finding the Third Proportional to 28,414 and 43,486

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Solution

The third proportional to 28,414 and 43,486 is: 66,552.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,414 : 43,486 = 43,486 : x
  2. Step 2: Convert to fraction form
    28,414/43,486 = 43,486/x
  3. Step 3: Cross multiply
    28,414x = 43,486 × 43,486
  4. Step 4: Simplify right side
    28,414x = 1,891,032,196
  5. Step 5: Solve for x
    x = 1,891,032,196/28,414
  6. Step 6: Final answer
    x = 66,552.83

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.