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Finding the Third Proportional to 28,744.88 and 43,603.31

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Solution

The third proportional to 28,744.88 and 43,603.31 is: 66,142.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,744.88 : 43,603.31 = 43,603.31 : x
  2. Step 2: Convert to fraction form
    28,744.88/43,603.31 = 43,603.31/x
  3. Step 3: Cross multiply
    28,744.88x = 43,603.31 × 43,603.31
  4. Step 4: Simplify right side
    28,744.88x = 1,901,248,860.97
  5. Step 5: Solve for x
    x = 1,901,248,860.97/28,744.88
  6. Step 6: Final answer
    x = 66,142.19

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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.