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Finding the Third Proportional to 31,798 and 50,343

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Solution

The third proportional to 31,798 and 50,343 is: 79,703.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,798 : 50,343 = 50,343 : x
  2. Step 2: Convert to fraction form
    31,798/50,343 = 50,343/x
  3. Step 3: Cross multiply
    31,798x = 50,343 × 50,343
  4. Step 4: Simplify right side
    31,798x = 2,534,417,649
  5. Step 5: Solve for x
    x = 2,534,417,649/31,798
  6. Step 6: Final answer
    x = 79,703.68

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.