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Finding the Third Proportional to 123,020.50 and 183,888.75

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Solution

The third proportional to 123,020.50 and 183,888.75 is: 274,873.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,020.50 : 183,888.75 = 183,888.75 : x
  2. Step 2: Convert to fraction form
    123,020.50/183,888.75 = 183,888.75/x
  3. Step 3: Cross multiply
    123,020.50x = 183,888.75 × 183,888.75
  4. Step 4: Simplify right side
    123,020.50x = 33,815,072,376.56
  5. Step 5: Solve for x
    x = 33,815,072,376.56/123,020.50
  6. Step 6: Final answer
    x = 274,873.48

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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.