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Finding the Third Proportional to 366,936 and 561,343

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Solution

The third proportional to 366,936 and 561,343 is: 858,749.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,936 : 561,343 = 561,343 : x
  2. Step 2: Convert to fraction form
    366,936/561,343 = 561,343/x
  3. Step 3: Cross multiply
    366,936x = 561,343 × 561,343
  4. Step 4: Simplify right side
    366,936x = 315,105,963,649
  5. Step 5: Solve for x
    x = 315,105,963,649/366,936
  6. Step 6: Final answer
    x = 858,749.11

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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.