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Finding the Third Proportional to 368,803 and 555,801

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Solution

The third proportional to 368,803 and 555,801 is: 837,614.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,803 : 555,801 = 555,801 : x
  2. Step 2: Convert to fraction form
    368,803/555,801 = 555,801/x
  3. Step 3: Cross multiply
    368,803x = 555,801 × 555,801
  4. Step 4: Simplify right side
    368,803x = 308,914,751,601
  5. Step 5: Solve for x
    x = 308,914,751,601/368,803
  6. Step 6: Final answer
    x = 837,614.53

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.