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Finding the Third Proportional to 620,190 and 1,339,516

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Solution

The third proportional to 620,190 and 1,339,516 is: 2,893,150.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,190 : 1,339,516 = 1,339,516 : x
  2. Step 2: Convert to fraction form
    620,190/1,339,516 = 1,339,516/x
  3. Step 3: Cross multiply
    620,190x = 1,339,516 × 1,339,516
  4. Step 4: Simplify right side
    620,190x = 1,794,303,114,256
  5. Step 5: Solve for x
    x = 1,794,303,114,256/620,190
  6. Step 6: Final answer
    x = 2,893,150.67

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.