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Finding the Third Proportional to 190,440 and 363,600

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Solution

The third proportional to 190,440 and 363,600 is: 694,207.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,440 : 363,600 = 363,600 : x
  2. Step 2: Convert to fraction form
    190,440/363,600 = 363,600/x
  3. Step 3: Cross multiply
    190,440x = 363,600 × 363,600
  4. Step 4: Simplify right side
    190,440x = 132,204,960,000
  5. Step 5: Solve for x
    x = 132,204,960,000/190,440
  6. Step 6: Final answer
    x = 694,207.94

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Why These Related Problems?

These problems maintain the same ratio (1.91) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.