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Finding the Third Proportional to 5,355,432 and 11,797,272

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Solution

The third proportional to 5,355,432 and 11,797,272 is: 25,987,749.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,355,432 : 11,797,272 = 11,797,272 : x
  2. Step 2: Convert to fraction form
    5,355,432/11,797,272 = 11,797,272/x
  3. Step 3: Cross multiply
    5,355,432x = 11,797,272 × 11,797,272
  4. Step 4: Simplify right side
    5,355,432x = 139,175,626,641,984
  5. Step 5: Solve for x
    x = 139,175,626,641,984/5,355,432
  6. Step 6: Final answer
    x = 25,987,749.75

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.