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Finding the Third Proportional to 860,535 and 1,890,940.50

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Solution

The third proportional to 860,535 and 1,890,940.50 is: 4,155,154.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,535 : 1,890,940.50 = 1,890,940.50 : x
  2. Step 2: Convert to fraction form
    860,535/1,890,940.50 = 1,890,940.50/x
  3. Step 3: Cross multiply
    860,535x = 1,890,940.50 × 1,890,940.50
  4. Step 4: Simplify right side
    860,535x = 3,575,655,974,540.25
  5. Step 5: Solve for x
    x = 3,575,655,974,540.25/860,535
  6. Step 6: Final answer
    x = 4,155,154.61

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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.