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Finding the Third Proportional to 201,531 and 439,350

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Solution

The third proportional to 201,531 and 439,350 is: 957,810.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,531 : 439,350 = 439,350 : x
  2. Step 2: Convert to fraction form
    201,531/439,350 = 439,350/x
  3. Step 3: Cross multiply
    201,531x = 439,350 × 439,350
  4. Step 4: Simplify right side
    201,531x = 193,028,422,500
  5. Step 5: Solve for x
    x = 193,028,422,500/201,531
  6. Step 6: Final answer
    x = 957,810.08

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.