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Finding the Third Proportional to 183,072 and 266,208.75

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Solution

The third proportional to 183,072 and 266,208.75 is: 387,099.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,072 : 266,208.75 = 266,208.75 : x
  2. Step 2: Convert to fraction form
    183,072/266,208.75 = 266,208.75/x
  3. Step 3: Cross multiply
    183,072x = 266,208.75 × 266,208.75
  4. Step 4: Simplify right side
    183,072x = 70,867,098,576.56
  5. Step 5: Solve for x
    x = 70,867,098,576.56/183,072
  6. Step 6: Final answer
    x = 387,099.60

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Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.