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Finding the Third Proportional to 4,991,692.50 and 7,133,244.75

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Solution

The third proportional to 4,991,692.50 and 7,133,244.75 is: 10,193,572.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991,692.50 : 7,133,244.75 = 7,133,244.75 : x
  2. Step 2: Convert to fraction form
    4,991,692.50/7,133,244.75 = 7,133,244.75/x
  3. Step 3: Cross multiply
    4,991,692.50x = 7,133,244.75 × 7,133,244.75
  4. Step 4: Simplify right side
    4,991,692.50x = 50,883,180,663,402.56
  5. Step 5: Solve for x
    x = 50,883,180,663,402.56/4,991,692.50
  6. Step 6: Final answer
    x = 10,193,572.75

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.