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Finding the Third Proportional to 4,422,276 and 9,375,992

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Solution

The third proportional to 4,422,276 and 9,375,992 is: 19,878,728.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,422,276 : 9,375,992 = 9,375,992 : x
  2. Step 2: Convert to fraction form
    4,422,276/9,375,992 = 9,375,992/x
  3. Step 3: Cross multiply
    4,422,276x = 9,375,992 × 9,375,992
  4. Step 4: Simplify right side
    4,422,276x = 87,909,225,984,064
  5. Step 5: Solve for x
    x = 87,909,225,984,064/4,422,276
  6. Step 6: Final answer
    x = 19,878,728.96

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.