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Finding the Third Proportional to 79,218 and 118,837.13

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Solution

The third proportional to 79,218 and 118,837.13 is: 178,270.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,218 : 118,837.13 = 118,837.13 : x
  2. Step 2: Convert to fraction form
    79,218/118,837.13 = 118,837.13/x
  3. Step 3: Cross multiply
    79,218x = 118,837.13 × 118,837.13
  4. Step 4: Simplify right side
    79,218x = 14,122,262,278.27
  5. Step 5: Solve for x
    x = 14,122,262,278.27/79,218
  6. Step 6: Final answer
    x = 178,270.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.