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Finding the Third Proportional to 28,479 and 43,833

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Solution

The third proportional to 28,479 and 43,833 is: 67,464.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,479 : 43,833 = 43,833 : x
  2. Step 2: Convert to fraction form
    28,479/43,833 = 43,833/x
  3. Step 3: Cross multiply
    28,479x = 43,833 × 43,833
  4. Step 4: Simplify right side
    28,479x = 1,921,331,889
  5. Step 5: Solve for x
    x = 1,921,331,889/28,479
  6. Step 6: Final answer
    x = 67,464.86

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.