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Finding the Third Proportional to 855,425 and 1,837,210

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Solution

The third proportional to 855,425 and 1,837,210 is: 3,945,805.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,425 : 1,837,210 = 1,837,210 : x
  2. Step 2: Convert to fraction form
    855,425/1,837,210 = 1,837,210/x
  3. Step 3: Cross multiply
    855,425x = 1,837,210 × 1,837,210
  4. Step 4: Simplify right side
    855,425x = 3,375,340,584,100
  5. Step 5: Solve for x
    x = 3,375,340,584,100/855,425
  6. Step 6: Final answer
    x = 3,945,805.40

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