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Finding the Third Proportional to 759,100 and 1,642,872

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Solution

The third proportional to 759,100 and 1,642,872 is: 3,555,563.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,100 : 1,642,872 = 1,642,872 : x
  2. Step 2: Convert to fraction form
    759,100/1,642,872 = 1,642,872/x
  3. Step 3: Cross multiply
    759,100x = 1,642,872 × 1,642,872
  4. Step 4: Simplify right side
    759,100x = 2,699,028,408,384
  5. Step 5: Solve for x
    x = 2,699,028,408,384/759,100
  6. Step 6: Final answer
    x = 3,555,563.70

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.