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Finding the Third Proportional to 28,976 and 43,336

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Solution

The third proportional to 28,976 and 43,336 is: 64,812.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,976 : 43,336 = 43,336 : x
  2. Step 2: Convert to fraction form
    28,976/43,336 = 43,336/x
  3. Step 3: Cross multiply
    28,976x = 43,336 × 43,336
  4. Step 4: Simplify right side
    28,976x = 1,878,008,896
  5. Step 5: Solve for x
    x = 1,878,008,896/28,976
  6. Step 6: Final answer
    x = 64,812.57

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