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Finding the Third Proportional to 856,615.50 and 1,842,414.75

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Solution

The third proportional to 856,615.50 and 1,842,414.75 is: 3,962,678.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,615.50 : 1,842,414.75 = 1,842,414.75 : x
  2. Step 2: Convert to fraction form
    856,615.50/1,842,414.75 = 1,842,414.75/x
  3. Step 3: Cross multiply
    856,615.50x = 1,842,414.75 × 1,842,414.75
  4. Step 4: Simplify right side
    856,615.50x = 3,394,492,111,017.56
  5. Step 5: Solve for x
    x = 3,394,492,111,017.56/856,615.50
  6. Step 6: Final answer
    x = 3,962,678.83

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.