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Finding the Third Proportional to 18,310,631 and 25,600,987

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Solution

The third proportional to 18,310,631 and 25,600,987 is: 35,793,989.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,310,631 : 25,600,987 = 25,600,987 : x
  2. Step 2: Convert to fraction form
    18,310,631/25,600,987 = 25,600,987/x
  3. Step 3: Cross multiply
    18,310,631x = 25,600,987 × 25,600,987
  4. Step 4: Simplify right side
    18,310,631x = 655,410,535,374,169
  5. Step 5: Solve for x
    x = 655,410,535,374,169/18,310,631
  6. Step 6: Final answer
    x = 35,793,989.59

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.