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Finding the Third Proportional to 17,690,442 and 38,582,676

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Solution

The third proportional to 17,690,442 and 38,582,676 is: 84,148,428.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,690,442 : 38,582,676 = 38,582,676 : x
  2. Step 2: Convert to fraction form
    17,690,442/38,582,676 = 38,582,676/x
  3. Step 3: Cross multiply
    17,690,442x = 38,582,676 × 38,582,676
  4. Step 4: Simplify right side
    17,690,442x = 1,488,622,887,320,976
  5. Step 5: Solve for x
    x = 1,488,622,887,320,976/17,690,442
  6. Step 6: Final answer
    x = 84,148,428.14

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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.