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Finding the Third Proportional to 72,629 and 159,514

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Solution

The third proportional to 72,629 and 159,514 is: 350,338.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,629 : 159,514 = 159,514 : x
  2. Step 2: Convert to fraction form
    72,629/159,514 = 159,514/x
  3. Step 3: Cross multiply
    72,629x = 159,514 × 159,514
  4. Step 4: Simplify right side
    72,629x = 25,444,716,196
  5. Step 5: Solve for x
    x = 25,444,716,196/72,629
  6. Step 6: Final answer
    x = 350,338.24

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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.