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Finding the Third Proportional to 830,992.75 and 1,786,124.50

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Solution

The third proportional to 830,992.75 and 1,786,124.50 is: 3,839,071.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,992.75 : 1,786,124.50 = 1,786,124.50 : x
  2. Step 2: Convert to fraction form
    830,992.75/1,786,124.50 = 1,786,124.50/x
  3. Step 3: Cross multiply
    830,992.75x = 1,786,124.50 × 1,786,124.50
  4. Step 4: Simplify right side
    830,992.75x = 3,190,240,729,500.25
  5. Step 5: Solve for x
    x = 3,190,240,729,500.25/830,992.75
  6. Step 6: Final answer
    x = 3,839,071.68

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.