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Finding the Third Proportional to 21,900,768 and 50,698,860

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Solution

The third proportional to 21,900,768 and 50,698,860 is: 117,364,578.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,900,768 : 50,698,860 = 50,698,860 : x
  2. Step 2: Convert to fraction form
    21,900,768/50,698,860 = 50,698,860/x
  3. Step 3: Cross multiply
    21,900,768x = 50,698,860 × 50,698,860
  4. Step 4: Simplify right side
    21,900,768x = 2,570,374,405,299,600
  5. Step 5: Solve for x
    x = 2,570,374,405,299,600/21,900,768
  6. Step 6: Final answer
    x = 117,364,578.51

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Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.