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Finding the Third Proportional to 21,948 and 48,640.50

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Solution

The third proportional to 21,948 and 48,640.50 is: 107,795.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,948 : 48,640.50 = 48,640.50 : x
  2. Step 2: Convert to fraction form
    21,948/48,640.50 = 48,640.50/x
  3. Step 3: Cross multiply
    21,948x = 48,640.50 × 48,640.50
  4. Step 4: Simplify right side
    21,948x = 2,365,898,240.25
  5. Step 5: Solve for x
    x = 2,365,898,240.25/21,948
  6. Step 6: Final answer
    x = 107,795.62

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.