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Finding the Third Proportional to 366,952 and 561,370

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Solution

The third proportional to 366,952 and 561,370 is: 858,794.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,952 : 561,370 = 561,370 : x
  2. Step 2: Convert to fraction form
    366,952/561,370 = 561,370/x
  3. Step 3: Cross multiply
    366,952x = 561,370 × 561,370
  4. Step 4: Simplify right side
    366,952x = 315,136,276,900
  5. Step 5: Solve for x
    x = 315,136,276,900/366,952
  6. Step 6: Final answer
    x = 858,794.28

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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.