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Finding the Third Proportional to 1,211,345,937 and 2,635,268,274

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Solution

The third proportional to 1,211,345,937 and 2,635,268,274 is: 5,732,993,906.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,345,937 : 2,635,268,274 = 2,635,268,274 : x
  2. Step 2: Convert to fraction form
    1,211,345,937/2,635,268,274 = 2,635,268,274/x
  3. Step 3: Cross multiply
    1,211,345,937x = 2,635,268,274 × 2,635,268,274
  4. Step 4: Simplify right side
    1,211,345,937x = 6,944,638,875,950,939,136
  5. Step 5: Solve for x
    x = 6,944,638,875,950,939,136/1,211,345,937
  6. Step 6: Final answer
    x = 5,732,993,906.89

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.