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Finding the Third Proportional to 874,695 and 1,819,220

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Solution

The third proportional to 874,695 and 1,819,220 is: 3,783,674.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,695 : 1,819,220 = 1,819,220 : x
  2. Step 2: Convert to fraction form
    874,695/1,819,220 = 1,819,220/x
  3. Step 3: Cross multiply
    874,695x = 1,819,220 × 1,819,220
  4. Step 4: Simplify right side
    874,695x = 3,309,561,408,400
  5. Step 5: Solve for x
    x = 3,309,561,408,400/874,695
  6. Step 6: Final answer
    x = 3,783,674.78

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.