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Finding the Third Proportional to 19,395,464 and 40,835,728

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Solution

The third proportional to 19,395,464 and 40,835,728 is: 85,976,632.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,395,464 : 40,835,728 = 40,835,728 : x
  2. Step 2: Convert to fraction form
    19,395,464/40,835,728 = 40,835,728/x
  3. Step 3: Cross multiply
    19,395,464x = 40,835,728 × 40,835,728
  4. Step 4: Simplify right side
    19,395,464x = 1,667,556,681,289,984
  5. Step 5: Solve for x
    x = 1,667,556,681,289,984/19,395,464
  6. Step 6: Final answer
    x = 85,976,632.54

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.