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Finding the Third Proportional to 201,404 and 282,331

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Solution

The third proportional to 201,404 and 282,331 is: 395,775.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,404 : 282,331 = 282,331 : x
  2. Step 2: Convert to fraction form
    201,404/282,331 = 282,331/x
  3. Step 3: Cross multiply
    201,404x = 282,331 × 282,331
  4. Step 4: Simplify right side
    201,404x = 79,710,793,561
  5. Step 5: Solve for x
    x = 79,710,793,561/201,404
  6. Step 6: Final answer
    x = 395,775.62

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.