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Finding the Third Proportional to 19,212,257 and 29,716,149

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Solution

The third proportional to 19,212,257 and 29,716,149 is: 45,962,820.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,212,257 : 29,716,149 = 29,716,149 : x
  2. Step 2: Convert to fraction form
    19,212,257/29,716,149 = 29,716,149/x
  3. Step 3: Cross multiply
    19,212,257x = 29,716,149 × 29,716,149
  4. Step 4: Simplify right side
    19,212,257x = 883,049,511,390,201
  5. Step 5: Solve for x
    x = 883,049,511,390,201/19,212,257
  6. Step 6: Final answer
    x = 45,962,820.06

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.