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Finding the Third Proportional to 96,939 and 142,218

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Solution

The third proportional to 96,939 and 142,218 is: 208,646.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,939 : 142,218 = 142,218 : x
  2. Step 2: Convert to fraction form
    96,939/142,218 = 142,218/x
  3. Step 3: Cross multiply
    96,939x = 142,218 × 142,218
  4. Step 4: Simplify right side
    96,939x = 20,225,959,524
  5. Step 5: Solve for x
    x = 20,225,959,524/96,939
  6. Step 6: Final answer
    x = 208,646.26

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.