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Finding the Third Proportional to 859,446.49 and 1,821,344.06

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Solution

The third proportional to 859,446.49 and 1,821,344.06 is: 3,859,803.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,446.49 : 1,821,344.06 = 1,821,344.06 : x
  2. Step 2: Convert to fraction form
    859,446.49/1,821,344.06 = 1,821,344.06/x
  3. Step 3: Cross multiply
    859,446.49x = 1,821,344.06 × 1,821,344.06
  4. Step 4: Simplify right side
    859,446.49x = 3,317,294,194,004.00
  5. Step 5: Solve for x
    x = 3,317,294,194,004.00/859,446.49
  6. Step 6: Final answer
    x = 3,859,803.05

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.