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Finding the Third Proportional to 860,677 and 1,891,212

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Solution

The third proportional to 860,677 and 1,891,212 is: 4,155,662.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,677 : 1,891,212 = 1,891,212 : x
  2. Step 2: Convert to fraction form
    860,677/1,891,212 = 1,891,212/x
  3. Step 3: Cross multiply
    860,677x = 1,891,212 × 1,891,212
  4. Step 4: Simplify right side
    860,677x = 3,576,682,828,944
  5. Step 5: Solve for x
    x = 3,576,682,828,944/860,677
  6. Step 6: Final answer
    x = 4,155,662.15

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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.