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Finding the Third Proportional to 190,302.75 and 418,277.25

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Solution

The third proportional to 190,302.75 and 418,277.25 is: 919,355.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,302.75 : 418,277.25 = 418,277.25 : x
  2. Step 2: Convert to fraction form
    190,302.75/418,277.25 = 418,277.25/x
  3. Step 3: Cross multiply
    190,302.75x = 418,277.25 × 418,277.25
  4. Step 4: Simplify right side
    190,302.75x = 174,955,857,867.56
  5. Step 5: Solve for x
    x = 174,955,857,867.56/190,302.75
  6. Step 6: Final answer
    x = 919,355.38

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.