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Finding the Third Proportional to 74,514 and 162,418

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Solution

The third proportional to 74,514 and 162,418 is: 354,022.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,514 : 162,418 = 162,418 : x
  2. Step 2: Convert to fraction form
    74,514/162,418 = 162,418/x
  3. Step 3: Cross multiply
    74,514x = 162,418 × 162,418
  4. Step 4: Simplify right side
    74,514x = 26,379,606,724
  5. Step 5: Solve for x
    x = 26,379,606,724/74,514
  6. Step 6: Final answer
    x = 354,022.15

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.