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Finding the Third Proportional to 382,242 and 830,823

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Solution

The third proportional to 382,242 and 830,823 is: 1,805,837.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,242 : 830,823 = 830,823 : x
  2. Step 2: Convert to fraction form
    382,242/830,823 = 830,823/x
  3. Step 3: Cross multiply
    382,242x = 830,823 × 830,823
  4. Step 4: Simplify right side
    382,242x = 690,266,857,329
  5. Step 5: Solve for x
    x = 690,266,857,329/382,242
  6. Step 6: Final answer
    x = 1,805,837.29

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.