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Finding the Third Proportional to 5,362,539.75 and 6,885,355.50

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Solution

The third proportional to 5,362,539.75 and 6,885,355.50 is: 8,840,609.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,362,539.75 : 6,885,355.50 = 6,885,355.50 : x
  2. Step 2: Convert to fraction form
    5,362,539.75/6,885,355.50 = 6,885,355.50/x
  3. Step 3: Cross multiply
    5,362,539.75x = 6,885,355.50 × 6,885,355.50
  4. Step 4: Simplify right side
    5,362,539.75x = 47,408,120,361,380.25
  5. Step 5: Solve for x
    x = 47,408,120,361,380.25/5,362,539.75
  6. Step 6: Final answer
    x = 8,840,609.59

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Why These Related Problems?

These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.