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Finding the Third Proportional to 19,437,940 and 41,993,166

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Solution

The third proportional to 19,437,940 and 41,993,166 is: 90,720,826.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,437,940 : 41,993,166 = 41,993,166 : x
  2. Step 2: Convert to fraction form
    19,437,940/41,993,166 = 41,993,166/x
  3. Step 3: Cross multiply
    19,437,940x = 41,993,166 × 41,993,166
  4. Step 4: Simplify right side
    19,437,940x = 1,763,425,990,703,556
  5. Step 5: Solve for x
    x = 1,763,425,990,703,556/19,437,940
  6. Step 6: Final answer
    x = 90,720,826.93

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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.