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Finding the Third Proportional to 443,619 and 961,971.75

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Solution

The third proportional to 443,619 and 961,971.75 is: 2,086,000.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,619 : 961,971.75 = 961,971.75 : x
  2. Step 2: Convert to fraction form
    443,619/961,971.75 = 961,971.75/x
  3. Step 3: Cross multiply
    443,619x = 961,971.75 × 961,971.75
  4. Step 4: Simplify right side
    443,619x = 925,389,647,798.06
  5. Step 5: Solve for x
    x = 925,389,647,798.06/443,619
  6. Step 6: Final answer
    x = 2,086,000.93

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.