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Finding the Third Proportional to 919,848 and 1,979,592

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Solution

The third proportional to 919,848 and 1,979,592 is: 4,260,252.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,848 : 1,979,592 = 1,979,592 : x
  2. Step 2: Convert to fraction form
    919,848/1,979,592 = 1,979,592/x
  3. Step 3: Cross multiply
    919,848x = 1,979,592 × 1,979,592
  4. Step 4: Simplify right side
    919,848x = 3,918,784,486,464
  5. Step 5: Solve for x
    x = 3,918,784,486,464/919,848
  6. Step 6: Final answer
    x = 4,260,252.22

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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.