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Finding the Third Proportional to 788,322 and 1,729,247

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Solution

The third proportional to 788,322 and 1,729,247 is: 3,793,240.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,322 : 1,729,247 = 1,729,247 : x
  2. Step 2: Convert to fraction form
    788,322/1,729,247 = 1,729,247/x
  3. Step 3: Cross multiply
    788,322x = 1,729,247 × 1,729,247
  4. Step 4: Simplify right side
    788,322x = 2,990,295,187,009
  5. Step 5: Solve for x
    x = 2,990,295,187,009/788,322
  6. Step 6: Final answer
    x = 3,793,240.82

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.