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Finding the Third Proportional to 4,485,888 and 6,448,128

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Solution

The third proportional to 4,485,888 and 6,448,128 is: 9,268,701.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,485,888 : 6,448,128 = 6,448,128 : x
  2. Step 2: Convert to fraction form
    4,485,888/6,448,128 = 6,448,128/x
  3. Step 3: Cross multiply
    4,485,888x = 6,448,128 × 6,448,128
  4. Step 4: Simplify right side
    4,485,888x = 41,578,354,704,384
  5. Step 5: Solve for x
    x = 41,578,354,704,384/4,485,888
  6. Step 6: Final answer
    x = 9,268,701.03

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.