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Finding the Third Proportional to 18,559,892 and 28,078,717.25

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Solution

The third proportional to 18,559,892 and 28,078,717.25 is: 42,479,469.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,559,892 : 28,078,717.25 = 28,078,717.25 : x
  2. Step 2: Convert to fraction form
    18,559,892/28,078,717.25 = 28,078,717.25/x
  3. Step 3: Cross multiply
    18,559,892x = 28,078,717.25 × 28,078,717.25
  4. Step 4: Simplify right side
    18,559,892x = 788,414,362,405,447.50
  5. Step 5: Solve for x
    x = 788,414,362,405,447.50/18,559,892
  6. Step 6: Final answer
    x = 42,479,469.30

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.