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Finding the Third Proportional to 18,528,045 and 40,245,620

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Solution

The third proportional to 18,528,045 and 40,245,620 is: 87,419,365.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,528,045 : 40,245,620 = 40,245,620 : x
  2. Step 2: Convert to fraction form
    18,528,045/40,245,620 = 40,245,620/x
  3. Step 3: Cross multiply
    18,528,045x = 40,245,620 × 40,245,620
  4. Step 4: Simplify right side
    18,528,045x = 1,619,709,929,184,400
  5. Step 5: Solve for x
    x = 1,619,709,929,184,400/18,528,045
  6. Step 6: Final answer
    x = 87,419,365.03

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.