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Finding the Third Proportional to 30,109.75 and 44,728

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Solution

The third proportional to 30,109.75 and 44,728 is: 66,443.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,109.75 : 44,728 = 44,728 : x
  2. Step 2: Convert to fraction form
    30,109.75/44,728 = 44,728/x
  3. Step 3: Cross multiply
    30,109.75x = 44,728 × 44,728
  4. Step 4: Simplify right side
    30,109.75x = 2,000,593,984
  5. Step 5: Solve for x
    x = 2,000,593,984/30,109.75
  6. Step 6: Final answer
    x = 66,443.39

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.