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Finding the Third Proportional to 770,155.88 and 1,717,396.31

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Solution

The third proportional to 770,155.88 and 1,717,396.31 is: 3,829,679.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,155.88 : 1,717,396.31 = 1,717,396.31 : x
  2. Step 2: Convert to fraction form
    770,155.88/1,717,396.31 = 1,717,396.31/x
  3. Step 3: Cross multiply
    770,155.88x = 1,717,396.31 × 1,717,396.31
  4. Step 4: Simplify right side
    770,155.88x = 2,949,450,094,188.60
  5. Step 5: Solve for x
    x = 2,949,450,094,188.60/770,155.88
  6. Step 6: Final answer
    x = 3,829,679.41

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.