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Finding the Third Proportional to 236,485.50 and 339,966

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Solution

The third proportional to 236,485.50 and 339,966 is: 488,727.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,485.50 : 339,966 = 339,966 : x
  2. Step 2: Convert to fraction form
    236,485.50/339,966 = 339,966/x
  3. Step 3: Cross multiply
    236,485.50x = 339,966 × 339,966
  4. Step 4: Simplify right side
    236,485.50x = 115,576,881,156
  5. Step 5: Solve for x
    x = 115,576,881,156/236,485.50
  6. Step 6: Final answer
    x = 488,727.14

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.