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Finding the Third Proportional to 872,928 and 1,879,344

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Solution

The third proportional to 872,928 and 1,879,344 is: 4,046,076.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,928 : 1,879,344 = 1,879,344 : x
  2. Step 2: Convert to fraction form
    872,928/1,879,344 = 1,879,344/x
  3. Step 3: Cross multiply
    872,928x = 1,879,344 × 1,879,344
  4. Step 4: Simplify right side
    872,928x = 3,531,933,870,336
  5. Step 5: Solve for x
    x = 3,531,933,870,336/872,928
  6. Step 6: Final answer
    x = 4,046,076.96

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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.