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Finding the Third Proportional to 1,311,756.75 and 2,824,717.50

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Solution

The third proportional to 1,311,756.75 and 2,824,717.50 is: 6,082,704.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,756.75 : 2,824,717.50 = 2,824,717.50 : x
  2. Step 2: Convert to fraction form
    1,311,756.75/2,824,717.50 = 2,824,717.50/x
  3. Step 3: Cross multiply
    1,311,756.75x = 2,824,717.50 × 2,824,717.50
  4. Step 4: Simplify right side
    1,311,756.75x = 7,979,028,954,806.25
  5. Step 5: Solve for x
    x = 7,979,028,954,806.25/1,311,756.75
  6. Step 6: Final answer
    x = 6,082,704.70

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.