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Finding the Third Proportional to 201,415.50 and 282,348

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Solution

The third proportional to 201,415.50 and 282,348 is: 395,800.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,415.50 : 282,348 = 282,348 : x
  2. Step 2: Convert to fraction form
    201,415.50/282,348 = 282,348/x
  3. Step 3: Cross multiply
    201,415.50x = 282,348 × 282,348
  4. Step 4: Simplify right side
    201,415.50x = 79,720,393,104
  5. Step 5: Solve for x
    x = 79,720,393,104/201,415.50
  6. Step 6: Final answer
    x = 395,800.69

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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.