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Finding the Third Proportional to 252,798 and 380,799

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Solution

The third proportional to 252,798 and 380,799 is: 573,611.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,798 : 380,799 = 380,799 : x
  2. Step 2: Convert to fraction form
    252,798/380,799 = 380,799/x
  3. Step 3: Cross multiply
    252,798x = 380,799 × 380,799
  4. Step 4: Simplify right side
    252,798x = 145,007,878,401
  5. Step 5: Solve for x
    x = 145,007,878,401/252,798
  6. Step 6: Final answer
    x = 573,611.65

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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.