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Finding the Third Proportional to 888,470 and 1,918,787

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Solution

The third proportional to 888,470 and 1,918,787 is: 4,143,914.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,470 : 1,918,787 = 1,918,787 : x
  2. Step 2: Convert to fraction form
    888,470/1,918,787 = 1,918,787/x
  3. Step 3: Cross multiply
    888,470x = 1,918,787 × 1,918,787
  4. Step 4: Simplify right side
    888,470x = 3,681,743,551,369
  5. Step 5: Solve for x
    x = 3,681,743,551,369/888,470
  6. Step 6: Final answer
    x = 4,143,914.31

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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.