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Finding the Third Proportional to 414,694,302.75 and 890,930,360.25

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Solution

The third proportional to 414,694,302.75 and 890,930,360.25 is: 1,914,077,192.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,694,302.75 : 890,930,360.25 = 890,930,360.25 : x
  2. Step 2: Convert to fraction form
    414,694,302.75/890,930,360.25 = 890,930,360.25/x
  3. Step 3: Cross multiply
    414,694,302.75x = 890,930,360.25 × 890,930,360.25
  4. Step 4: Simplify right side
    414,694,302.75x = 793,756,906,815,194,752
  5. Step 5: Solve for x
    x = 793,756,906,815,194,752/414,694,302.75
  6. Step 6: Final answer
    x = 1,914,077,192.65

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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.