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Finding the Third Proportional to 19,263,648 and 28,256,859

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Solution

The third proportional to 19,263,648 and 28,256,859 is: 41,448,539.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,263,648 : 28,256,859 = 28,256,859 : x
  2. Step 2: Convert to fraction form
    19,263,648/28,256,859 = 28,256,859/x
  3. Step 3: Cross multiply
    19,263,648x = 28,256,859 × 28,256,859
  4. Step 4: Simplify right side
    19,263,648x = 798,450,080,545,881
  5. Step 5: Solve for x
    x = 798,450,080,545,881/19,263,648
  6. Step 6: Final answer
    x = 41,448,539.79

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.