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Finding the Third Proportional to 860,675 and 1,891,206.50

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Solution

The third proportional to 860,675 and 1,891,206.50 is: 4,155,647.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,675 : 1,891,206.50 = 1,891,206.50 : x
  2. Step 2: Convert to fraction form
    860,675/1,891,206.50 = 1,891,206.50/x
  3. Step 3: Cross multiply
    860,675x = 1,891,206.50 × 1,891,206.50
  4. Step 4: Simplify right side
    860,675x = 3,576,662,025,642.25
  5. Step 5: Solve for x
    x = 3,576,662,025,642.25/860,675
  6. Step 6: Final answer
    x = 4,155,647.63

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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.