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Finding the Third Proportional to 911,781.75 and 2,110,612.13

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Solution

The third proportional to 911,781.75 and 2,110,612.13 is: 4,885,690.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,781.75 : 2,110,612.13 = 2,110,612.13 : x
  2. Step 2: Convert to fraction form
    911,781.75/2,110,612.13 = 2,110,612.13/x
  3. Step 3: Cross multiply
    911,781.75x = 2,110,612.13 × 2,110,612.13
  4. Step 4: Simplify right side
    911,781.75x = 4,454,683,542,197.02
  5. Step 5: Solve for x
    x = 4,454,683,542,197.02/911,781.75
  6. Step 6: Final answer
    x = 4,885,690.62

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.