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Finding the Third Proportional to 19,120.50 and 44,988

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Solution

The third proportional to 19,120.50 and 44,988 is: 105,850.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,120.50 : 44,988 = 44,988 : x
  2. Step 2: Convert to fraction form
    19,120.50/44,988 = 44,988/x
  3. Step 3: Cross multiply
    19,120.50x = 44,988 × 44,988
  4. Step 4: Simplify right side
    19,120.50x = 2,023,920,144
  5. Step 5: Solve for x
    x = 2,023,920,144/19,120.50
  6. Step 6: Final answer
    x = 105,850.80

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.