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Finding the Third Proportional to 955,620 and 2,100,073

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Solution

The third proportional to 955,620 and 2,100,073 is: 4,615,125.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,620 : 2,100,073 = 2,100,073 : x
  2. Step 2: Convert to fraction form
    955,620/2,100,073 = 2,100,073/x
  3. Step 3: Cross multiply
    955,620x = 2,100,073 × 2,100,073
  4. Step 4: Simplify right side
    955,620x = 4,410,306,605,329
  5. Step 5: Solve for x
    x = 4,410,306,605,329/955,620
  6. Step 6: Final answer
    x = 4,615,125.89

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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.