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Finding the Third Proportional to 911,783 and 2,110,615

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Solution

The third proportional to 911,783 and 2,110,615 is: 4,885,697.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,783 : 2,110,615 = 2,110,615 : x
  2. Step 2: Convert to fraction form
    911,783/2,110,615 = 2,110,615/x
  3. Step 3: Cross multiply
    911,783x = 2,110,615 × 2,110,615
  4. Step 4: Simplify right side
    911,783x = 4,454,695,678,225
  5. Step 5: Solve for x
    x = 4,454,695,678,225/911,783
  6. Step 6: Final answer
    x = 4,885,697.23

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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.