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Finding the Third Proportional to 201,426 and 282,344

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Solution

The third proportional to 201,426 and 282,344 is: 395,768.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,426 : 282,344 = 282,344 : x
  2. Step 2: Convert to fraction form
    201,426/282,344 = 282,344/x
  3. Step 3: Cross multiply
    201,426x = 282,344 × 282,344
  4. Step 4: Simplify right side
    201,426x = 79,718,134,336
  5. Step 5: Solve for x
    x = 79,718,134,336/201,426
  6. Step 6: Final answer
    x = 395,768.84

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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.