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Finding the Third Proportional to 4,210,860 and 9,261,336

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Solution

The third proportional to 4,210,860 and 9,261,336 is: 20,369,317.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,210,860 : 9,261,336 = 9,261,336 : x
  2. Step 2: Convert to fraction form
    4,210,860/9,261,336 = 9,261,336/x
  3. Step 3: Cross multiply
    4,210,860x = 9,261,336 × 9,261,336
  4. Step 4: Simplify right side
    4,210,860x = 85,772,344,504,896
  5. Step 5: Solve for x
    x = 85,772,344,504,896/4,210,860
  6. Step 6: Final answer
    x = 20,369,317.55

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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.