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Finding the Third Proportional to 865,449.56 and 1,883,290.50

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Solution

The third proportional to 865,449.56 and 1,883,290.50 is: 4,098,197.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,449.56 : 1,883,290.50 = 1,883,290.50 : x
  2. Step 2: Convert to fraction form
    865,449.56/1,883,290.50 = 1,883,290.50/x
  3. Step 3: Cross multiply
    865,449.56x = 1,883,290.50 × 1,883,290.50
  4. Step 4: Simplify right side
    865,449.56x = 3,546,783,107,390.25
  5. Step 5: Solve for x
    x = 3,546,783,107,390.25/865,449.56
  6. Step 6: Final answer
    x = 4,098,197.35

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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.