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Finding the Third Proportional to 863,490 and 1,379,475

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Solution

The third proportional to 863,490 and 1,379,475 is: 2,203,790.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,490 : 1,379,475 = 1,379,475 : x
  2. Step 2: Convert to fraction form
    863,490/1,379,475 = 1,379,475/x
  3. Step 3: Cross multiply
    863,490x = 1,379,475 × 1,379,475
  4. Step 4: Simplify right side
    863,490x = 1,902,951,275,625
  5. Step 5: Solve for x
    x = 1,902,951,275,625/863,490
  6. Step 6: Final answer
    x = 2,203,790.75

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.