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Finding the Third Proportional to 16,855,965 and 36,268,533

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Solution

The third proportional to 16,855,965 and 36,268,533 is: 78,038,040.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,855,965 : 36,268,533 = 36,268,533 : x
  2. Step 2: Convert to fraction form
    16,855,965/36,268,533 = 36,268,533/x
  3. Step 3: Cross multiply
    16,855,965x = 36,268,533 × 36,268,533
  4. Step 4: Simplify right side
    16,855,965x = 1,315,406,485,972,089
  5. Step 5: Solve for x
    x = 1,315,406,485,972,089/16,855,965
  6. Step 6: Final answer
    x = 78,038,040.89

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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.