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Finding the Third Proportional to 72,798 and 159,933

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Solution

The third proportional to 72,798 and 159,933 is: 351,363.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,798 : 159,933 = 159,933 : x
  2. Step 2: Convert to fraction form
    72,798/159,933 = 159,933/x
  3. Step 3: Cross multiply
    72,798x = 159,933 × 159,933
  4. Step 4: Simplify right side
    72,798x = 25,578,564,489
  5. Step 5: Solve for x
    x = 25,578,564,489/72,798
  6. Step 6: Final answer
    x = 351,363.56

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.