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Finding the Third Proportional to 601,743 and 1,321,590

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Solution

The third proportional to 601,743 and 1,321,590 is: 2,902,568.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,743 : 1,321,590 = 1,321,590 : x
  2. Step 2: Convert to fraction form
    601,743/1,321,590 = 1,321,590/x
  3. Step 3: Cross multiply
    601,743x = 1,321,590 × 1,321,590
  4. Step 4: Simplify right side
    601,743x = 1,746,600,128,100
  5. Step 5: Solve for x
    x = 1,746,600,128,100/601,743
  6. Step 6: Final answer
    x = 2,902,568.25

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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.