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Finding the Third Proportional to 368,893 and 555,936

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Solution

The third proportional to 368,893 and 555,936 is: 837,817.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,893 : 555,936 = 555,936 : x
  2. Step 2: Convert to fraction form
    368,893/555,936 = 555,936/x
  3. Step 3: Cross multiply
    368,893x = 555,936 × 555,936
  4. Step 4: Simplify right side
    368,893x = 309,064,836,096
  5. Step 5: Solve for x
    x = 309,064,836,096/368,893
  6. Step 6: Final answer
    x = 837,817.03

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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.