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Finding the Third Proportional to 744,078 and 1,615,001

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Solution

The third proportional to 744,078 and 1,615,001 is: 3,505,315.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,078 : 1,615,001 = 1,615,001 : x
  2. Step 2: Convert to fraction form
    744,078/1,615,001 = 1,615,001/x
  3. Step 3: Cross multiply
    744,078x = 1,615,001 × 1,615,001
  4. Step 4: Simplify right side
    744,078x = 2,608,228,230,001
  5. Step 5: Solve for x
    x = 2,608,228,230,001/744,078
  6. Step 6: Final answer
    x = 3,505,315.61

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.