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Finding the Third Proportional to 20,354,858 and 43,898,272

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Solution

The third proportional to 20,354,858 and 43,898,272 is: 94,673,138.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,354,858 : 43,898,272 = 43,898,272 : x
  2. Step 2: Convert to fraction form
    20,354,858/43,898,272 = 43,898,272/x
  3. Step 3: Cross multiply
    20,354,858x = 43,898,272 × 43,898,272
  4. Step 4: Simplify right side
    20,354,858x = 1,927,058,284,585,984
  5. Step 5: Solve for x
    x = 1,927,058,284,585,984/20,354,858
  6. Step 6: Final answer
    x = 94,673,138.21

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.