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Finding the Third Proportional to 874,860 and 1,879,968

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Solution

The third proportional to 874,860 and 1,879,968 is: 4,039,823.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,860 : 1,879,968 = 1,879,968 : x
  2. Step 2: Convert to fraction form
    874,860/1,879,968 = 1,879,968/x
  3. Step 3: Cross multiply
    874,860x = 1,879,968 × 1,879,968
  4. Step 4: Simplify right side
    874,860x = 3,534,279,681,024
  5. Step 5: Solve for x
    x = 3,534,279,681,024/874,860
  6. Step 6: Final answer
    x = 4,039,823.15

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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.