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Finding the Third Proportional to 18,528,086 and 40,245,706

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Solution

The third proportional to 18,528,086 and 40,245,706 is: 87,419,545.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,528,086 : 40,245,706 = 40,245,706 : x
  2. Step 2: Convert to fraction form
    18,528,086/40,245,706 = 40,245,706/x
  3. Step 3: Cross multiply
    18,528,086x = 40,245,706 × 40,245,706
  4. Step 4: Simplify right side
    18,528,086x = 1,619,716,851,438,436
  5. Step 5: Solve for x
    x = 1,619,716,851,438,436/18,528,086
  6. Step 6: Final answer
    x = 87,419,545.19

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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.