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Finding the Third Proportional to 19,618,839 and 42,236,034.75

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Solution

The third proportional to 19,618,839 and 42,236,034.75 is: 90,927,023.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,618,839 : 42,236,034.75 = 42,236,034.75 : x
  2. Step 2: Convert to fraction form
    19,618,839/42,236,034.75 = 42,236,034.75/x
  3. Step 3: Cross multiply
    19,618,839x = 42,236,034.75 × 42,236,034.75
  4. Step 4: Simplify right side
    19,618,839x = 1,783,882,631,403,207.50
  5. Step 5: Solve for x
    x = 1,783,882,631,403,207.50/19,618,839
  6. Step 6: Final answer
    x = 90,927,023.33

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.