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Finding the Third Proportional to 2,105,692.50 and 4,310,985

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Solution

The third proportional to 2,105,692.50 and 4,310,985 is: 8,825,881.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,105,692.50 : 4,310,985 = 4,310,985 : x
  2. Step 2: Convert to fraction form
    2,105,692.50/4,310,985 = 4,310,985/x
  3. Step 3: Cross multiply
    2,105,692.50x = 4,310,985 × 4,310,985
  4. Step 4: Simplify right side
    2,105,692.50x = 18,584,591,670,225
  5. Step 5: Solve for x
    x = 18,584,591,670,225/2,105,692.50
  6. Step 6: Final answer
    x = 8,825,881.12

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.