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Finding the Third Proportional to 626,722 and 1,373,589

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Solution

The third proportional to 626,722 and 1,373,589 is: 3,010,500.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,722 : 1,373,589 = 1,373,589 : x
  2. Step 2: Convert to fraction form
    626,722/1,373,589 = 1,373,589/x
  3. Step 3: Cross multiply
    626,722x = 1,373,589 × 1,373,589
  4. Step 4: Simplify right side
    626,722x = 1,886,746,740,921
  5. Step 5: Solve for x
    x = 1,886,746,740,921/626,722
  6. Step 6: Final answer
    x = 3,010,500.26

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.