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Finding the Third Proportional to 44,354.25 and 66,990.38

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Solution

The third proportional to 44,354.25 and 66,990.38 is: 101,178.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,354.25 : 66,990.38 = 66,990.38 : x
  2. Step 2: Convert to fraction form
    44,354.25/66,990.38 = 66,990.38/x
  3. Step 3: Cross multiply
    44,354.25x = 66,990.38 × 66,990.38
  4. Step 4: Simplify right side
    44,354.25x = 4,487,710,342.64
  5. Step 5: Solve for x
    x = 4,487,710,342.64/44,354.25
  6. Step 6: Final answer
    x = 101,178.81

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.