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Finding the Third Proportional to 382,629 and 834,152

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Solution

The third proportional to 382,629 and 834,152 is: 1,818,496.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,629 : 834,152 = 834,152 : x
  2. Step 2: Convert to fraction form
    382,629/834,152 = 834,152/x
  3. Step 3: Cross multiply
    382,629x = 834,152 × 834,152
  4. Step 4: Simplify right side
    382,629x = 695,809,559,104
  5. Step 5: Solve for x
    x = 695,809,559,104/382,629
  6. Step 6: Final answer
    x = 1,818,496.66

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.