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Finding the Third Proportional to 1,794,407.87 and 3,937,571.05

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Solution

The third proportional to 1,794,407.87 and 3,937,571.05 is: 8,640,435.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,794,407.87 : 3,937,571.05 = 3,937,571.05 : x
  2. Step 2: Convert to fraction form
    1,794,407.87/3,937,571.05 = 3,937,571.05/x
  3. Step 3: Cross multiply
    1,794,407.87x = 3,937,571.05 × 3,937,571.05
  4. Step 4: Simplify right side
    1,794,407.87x = 15,504,465,779,950.16
  5. Step 5: Solve for x
    x = 15,504,465,779,950.16/1,794,407.87
  6. Step 6: Final answer
    x = 8,640,435.67

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.