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Finding the Third Proportional to 620,192 and 1,339,520

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Solution

The third proportional to 620,192 and 1,339,520 is: 2,893,158.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,192 : 1,339,520 = 1,339,520 : x
  2. Step 2: Convert to fraction form
    620,192/1,339,520 = 1,339,520/x
  3. Step 3: Cross multiply
    620,192x = 1,339,520 × 1,339,520
  4. Step 4: Simplify right side
    620,192x = 1,794,313,830,400
  5. Step 5: Solve for x
    x = 1,794,313,830,400/620,192
  6. Step 6: Final answer
    x = 2,893,158.62

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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.