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Finding the Third Proportional to 201,541 and 439,370

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Solution

The third proportional to 201,541 and 439,370 is: 957,849.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,541 : 439,370 = 439,370 : x
  2. Step 2: Convert to fraction form
    201,541/439,370 = 439,370/x
  3. Step 3: Cross multiply
    201,541x = 439,370 × 439,370
  4. Step 4: Simplify right side
    201,541x = 193,045,996,900
  5. Step 5: Solve for x
    x = 193,045,996,900/201,541
  6. Step 6: Final answer
    x = 957,849.75

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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.