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Finding the Third Proportional to 858,640 and 1,883,168

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Solution

The third proportional to 858,640 and 1,883,168 is: 4,130,161.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,640 : 1,883,168 = 1,883,168 : x
  2. Step 2: Convert to fraction form
    858,640/1,883,168 = 1,883,168/x
  3. Step 3: Cross multiply
    858,640x = 1,883,168 × 1,883,168
  4. Step 4: Simplify right side
    858,640x = 3,546,321,716,224
  5. Step 5: Solve for x
    x = 3,546,321,716,224/858,640
  6. Step 6: Final answer
    x = 4,130,161.32

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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.