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Finding the Third Proportional to 919,103 and 2,019,624

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Solution

The third proportional to 919,103 and 2,019,624 is: 4,437,893.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,103 : 2,019,624 = 2,019,624 : x
  2. Step 2: Convert to fraction form
    919,103/2,019,624 = 2,019,624/x
  3. Step 3: Cross multiply
    919,103x = 2,019,624 × 2,019,624
  4. Step 4: Simplify right side
    919,103x = 4,078,881,101,376
  5. Step 5: Solve for x
    x = 4,078,881,101,376/919,103
  6. Step 6: Final answer
    x = 4,437,893.36

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.