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Finding the Third Proportional to 201,682 and 424,004

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Solution

The third proportional to 201,682 and 424,004 is: 891,400.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,682 : 424,004 = 424,004 : x
  2. Step 2: Convert to fraction form
    201,682/424,004 = 424,004/x
  3. Step 3: Cross multiply
    201,682x = 424,004 × 424,004
  4. Step 4: Simplify right side
    201,682x = 179,779,392,016
  5. Step 5: Solve for x
    x = 179,779,392,016/201,682
  6. Step 6: Final answer
    x = 891,400.28

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.