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Finding the Third Proportional to 374,554 and 825,455

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Solution

The third proportional to 374,554 and 825,455 is: 1,819,166.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,554 : 825,455 = 825,455 : x
  2. Step 2: Convert to fraction form
    374,554/825,455 = 825,455/x
  3. Step 3: Cross multiply
    374,554x = 825,455 × 825,455
  4. Step 4: Simplify right side
    374,554x = 681,375,957,025
  5. Step 5: Solve for x
    x = 681,375,957,025/374,554
  6. Step 6: Final answer
    x = 1,819,166.15

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.