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Finding the Third Proportional to 854,811 and 1,328,842.50

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Solution

The third proportional to 854,811 and 1,328,842.50 is: 2,065,745.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,811 : 1,328,842.50 = 1,328,842.50 : x
  2. Step 2: Convert to fraction form
    854,811/1,328,842.50 = 1,328,842.50/x
  3. Step 3: Cross multiply
    854,811x = 1,328,842.50 × 1,328,842.50
  4. Step 4: Simplify right side
    854,811x = 1,765,822,389,806.25
  5. Step 5: Solve for x
    x = 1,765,822,389,806.25/854,811
  6. Step 6: Final answer
    x = 2,065,745.98

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.