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Finding the Third Proportional to 28,951 and 43,318

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Solution

The third proportional to 28,951 and 43,318 is: 64,814.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,951 : 43,318 = 43,318 : x
  2. Step 2: Convert to fraction form
    28,951/43,318 = 43,318/x
  3. Step 3: Cross multiply
    28,951x = 43,318 × 43,318
  4. Step 4: Simplify right side
    28,951x = 1,876,449,124
  5. Step 5: Solve for x
    x = 1,876,449,124/28,951
  6. Step 6: Final answer
    x = 64,814.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.