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Finding the Third Proportional to 678,996 and 1,493,580

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Solution

The third proportional to 678,996 and 1,493,580 is: 3,285,411.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,996 : 1,493,580 = 1,493,580 : x
  2. Step 2: Convert to fraction form
    678,996/1,493,580 = 1,493,580/x
  3. Step 3: Cross multiply
    678,996x = 1,493,580 × 1,493,580
  4. Step 4: Simplify right side
    678,996x = 2,230,781,216,400
  5. Step 5: Solve for x
    x = 2,230,781,216,400/678,996
  6. Step 6: Final answer
    x = 3,285,411.43

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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.