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Finding the Third Proportional to 18,285,080 and 39,322,000

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Solution

The third proportional to 18,285,080 and 39,322,000 is: 84,561,822.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,285,080 : 39,322,000 = 39,322,000 : x
  2. Step 2: Convert to fraction form
    18,285,080/39,322,000 = 39,322,000/x
  3. Step 3: Cross multiply
    18,285,080x = 39,322,000 × 39,322,000
  4. Step 4: Simplify right side
    18,285,080x = 1,546,219,684,000,000
  5. Step 5: Solve for x
    x = 1,546,219,684,000,000/18,285,080
  6. Step 6: Final answer
    x = 84,561,822.21

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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.