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Finding the Third Proportional to 18,508,664,965 and 28,196,670,800

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Solution

The third proportional to 18,508,664,965 and 28,196,670,800 is: 42,955,677,554.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,508,664,965 : 28,196,670,800 = 28,196,670,800 : x
  2. Step 2: Convert to fraction form
    18,508,664,965/28,196,670,800 = 28,196,670,800/x
  3. Step 3: Cross multiply
    18,508,664,965x = 28,196,670,800 × 28,196,670,800
  4. Step 4: Simplify right side
    18,508,664,965x = 795,052,244,203,572,690,944
  5. Step 5: Solve for x
    x = 795,052,244,203,572,690,944/18,508,664,965
  6. Step 6: Final answer
    x = 42,955,677,554.65

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.