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Finding the Third Proportional to 310,173.75 and 474,383.25

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Solution

The third proportional to 310,173.75 and 474,383.25 is: 725,527.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,173.75 : 474,383.25 = 474,383.25 : x
  2. Step 2: Convert to fraction form
    310,173.75/474,383.25 = 474,383.25/x
  3. Step 3: Cross multiply
    310,173.75x = 474,383.25 × 474,383.25
  4. Step 4: Simplify right side
    310,173.75x = 225,039,467,880.56
  5. Step 5: Solve for x
    x = 225,039,467,880.56/310,173.75
  6. Step 6: Final answer
    x = 725,527.12

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.