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Finding the Third Proportional to 434,475 and 908,676

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Solution

The third proportional to 434,475 and 908,676 is: 1,900,436.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,475 : 908,676 = 908,676 : x
  2. Step 2: Convert to fraction form
    434,475/908,676 = 908,676/x
  3. Step 3: Cross multiply
    434,475x = 908,676 × 908,676
  4. Step 4: Simplify right side
    434,475x = 825,692,072,976
  5. Step 5: Solve for x
    x = 825,692,072,976/434,475
  6. Step 6: Final answer
    x = 1,900,436.33

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.