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Finding the Third Proportional to 2,643,817.50 and 3,567,138.75

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Solution

The third proportional to 2,643,817.50 and 3,567,138.75 is: 4,812,918.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,643,817.50 : 3,567,138.75 = 3,567,138.75 : x
  2. Step 2: Convert to fraction form
    2,643,817.50/3,567,138.75 = 3,567,138.75/x
  3. Step 3: Cross multiply
    2,643,817.50x = 3,567,138.75 × 3,567,138.75
  4. Step 4: Simplify right side
    2,643,817.50x = 12,724,478,861,751.56
  5. Step 5: Solve for x
    x = 12,724,478,861,751.56/2,643,817.50
  6. Step 6: Final answer
    x = 4,812,918.77

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Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.