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Finding the Third Proportional to 1,218,890 and 2,625,093

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Solution

The third proportional to 1,218,890 and 2,625,093 is: 5,653,597.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,890 : 2,625,093 = 2,625,093 : x
  2. Step 2: Convert to fraction form
    1,218,890/2,625,093 = 2,625,093/x
  3. Step 3: Cross multiply
    1,218,890x = 2,625,093 × 2,625,093
  4. Step 4: Simplify right side
    1,218,890x = 6,891,113,258,649
  5. Step 5: Solve for x
    x = 6,891,113,258,649/1,218,890
  6. Step 6: Final answer
    x = 5,653,597.34

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.