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Finding the Third Proportional to 20,191,424 and 43,789,696

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Solution

The third proportional to 20,191,424 and 43,789,696 is: 94,967,916.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,191,424 : 43,789,696 = 43,789,696 : x
  2. Step 2: Convert to fraction form
    20,191,424/43,789,696 = 43,789,696/x
  3. Step 3: Cross multiply
    20,191,424x = 43,789,696 × 43,789,696
  4. Step 4: Simplify right side
    20,191,424x = 1,917,537,475,772,416
  5. Step 5: Solve for x
    x = 1,917,537,475,772,416/20,191,424
  6. Step 6: Final answer
    x = 94,967,916.86

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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.