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Finding the Third Proportional to 133,224.75 and 285,444

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Solution

The third proportional to 133,224.75 and 285,444 is: 611,585.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,224.75 : 285,444 = 285,444 : x
  2. Step 2: Convert to fraction form
    133,224.75/285,444 = 285,444/x
  3. Step 3: Cross multiply
    133,224.75x = 285,444 × 285,444
  4. Step 4: Simplify right side
    133,224.75x = 81,478,277,136
  5. Step 5: Solve for x
    x = 81,478,277,136/133,224.75
  6. Step 6: Final answer
    x = 611,585.14

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.