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Finding the Third Proportional to 890,424 and 2,099,808

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Solution

The third proportional to 890,424 and 2,099,808 is: 4,951,791.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,424 : 2,099,808 = 2,099,808 : x
  2. Step 2: Convert to fraction form
    890,424/2,099,808 = 2,099,808/x
  3. Step 3: Cross multiply
    890,424x = 2,099,808 × 2,099,808
  4. Step 4: Simplify right side
    890,424x = 4,409,193,636,864
  5. Step 5: Solve for x
    x = 4,409,193,636,864/890,424
  6. Step 6: Final answer
    x = 4,951,791.10

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.