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Finding the Third Proportional to 455,362 and 979,609

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Solution

The third proportional to 455,362 and 979,609 is: 2,107,408.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,362 : 979,609 = 979,609 : x
  2. Step 2: Convert to fraction form
    455,362/979,609 = 979,609/x
  3. Step 3: Cross multiply
    455,362x = 979,609 × 979,609
  4. Step 4: Simplify right side
    455,362x = 959,633,792,881
  5. Step 5: Solve for x
    x = 959,633,792,881/455,362
  6. Step 6: Final answer
    x = 2,107,408.60

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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.