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Finding the Third Proportional to 434,138 and 930,568

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Solution

The third proportional to 434,138 and 930,568 is: 1,994,657.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,138 : 930,568 = 930,568 : x
  2. Step 2: Convert to fraction form
    434,138/930,568 = 930,568/x
  3. Step 3: Cross multiply
    434,138x = 930,568 × 930,568
  4. Step 4: Simplify right side
    434,138x = 865,956,802,624
  5. Step 5: Solve for x
    x = 865,956,802,624/434,138
  6. Step 6: Final answer
    x = 1,994,657.93

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.