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Finding the Third Proportional to 811,795.50 and 1,761,928.88

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Solution

The third proportional to 811,795.50 and 1,761,928.88 is: 3,824,107.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,795.50 : 1,761,928.88 = 1,761,928.88 : x
  2. Step 2: Convert to fraction form
    811,795.50/1,761,928.88 = 1,761,928.88/x
  3. Step 3: Cross multiply
    811,795.50x = 1,761,928.88 × 1,761,928.88
  4. Step 4: Simplify right side
    811,795.50x = 3,104,393,360,558.77
  5. Step 5: Solve for x
    x = 3,104,393,360,558.77/811,795.50
  6. Step 6: Final answer
    x = 3,824,107.62

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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.