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Finding the Third Proportional to 451,381.50 and 983,733.75

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Solution

The third proportional to 451,381.50 and 983,733.75 is: 2,143,933.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,381.50 : 983,733.75 = 983,733.75 : x
  2. Step 2: Convert to fraction form
    451,381.50/983,733.75 = 983,733.75/x
  3. Step 3: Cross multiply
    451,381.50x = 983,733.75 × 983,733.75
  4. Step 4: Simplify right side
    451,381.50x = 967,732,090,889.06
  5. Step 5: Solve for x
    x = 967,732,090,889.06/451,381.50
  6. Step 6: Final answer
    x = 2,143,933.88

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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.