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Finding the Third Proportional to 28,704.38 and 43,664.06

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Solution

The third proportional to 28,704.38 and 43,664.06 is: 66,420.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,704.38 : 43,664.06 = 43,664.06 : x
  2. Step 2: Convert to fraction form
    28,704.38/43,664.06 = 43,664.06/x
  3. Step 3: Cross multiply
    28,704.38x = 43,664.06 × 43,664.06
  4. Step 4: Simplify right side
    28,704.38x = 1,906,550,354.00
  5. Step 5: Solve for x
    x = 1,906,550,354.00/28,704.38
  6. Step 6: Final answer
    x = 66,420.20

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.