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Finding the Third Proportional to 20,191,632 and 43,790,112

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Solution

The third proportional to 20,191,632 and 43,790,112 is: 94,968,742.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,191,632 : 43,790,112 = 43,790,112 : x
  2. Step 2: Convert to fraction form
    20,191,632/43,790,112 = 43,790,112/x
  3. Step 3: Cross multiply
    20,191,632x = 43,790,112 × 43,790,112
  4. Step 4: Simplify right side
    20,191,632x = 1,917,573,908,972,544
  5. Step 5: Solve for x
    x = 1,917,573,908,972,544/20,191,632
  6. Step 6: Final answer
    x = 94,968,742.94

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.