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Finding the Third Proportional to 17,680,467 and 38,081,454

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Solution

The third proportional to 17,680,467 and 38,081,454 is: 82,022,558.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,680,467 : 38,081,454 = 38,081,454 : x
  2. Step 2: Convert to fraction form
    17,680,467/38,081,454 = 38,081,454/x
  3. Step 3: Cross multiply
    17,680,467x = 38,081,454 × 38,081,454
  4. Step 4: Simplify right side
    17,680,467x = 1,450,197,138,754,116
  5. Step 5: Solve for x
    x = 1,450,197,138,754,116/17,680,467
  6. Step 6: Final answer
    x = 82,022,558.50

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.