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Finding the Third Proportional to 860,564 and 1,890,976

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Solution

The third proportional to 860,564 and 1,890,976 is: 4,155,170.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,564 : 1,890,976 = 1,890,976 : x
  2. Step 2: Convert to fraction form
    860,564/1,890,976 = 1,890,976/x
  3. Step 3: Cross multiply
    860,564x = 1,890,976 × 1,890,976
  4. Step 4: Simplify right side
    860,564x = 3,575,790,232,576
  5. Step 5: Solve for x
    x = 3,575,790,232,576/860,564
  6. Step 6: Final answer
    x = 4,155,170.60

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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.