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Finding the Third Proportional to 18,048,934 and 38,975,069

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Solution

The third proportional to 18,048,934 and 38,975,069 is: 84,163,197.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,048,934 : 38,975,069 = 38,975,069 : x
  2. Step 2: Convert to fraction form
    18,048,934/38,975,069 = 38,975,069/x
  3. Step 3: Cross multiply
    18,048,934x = 38,975,069 × 38,975,069
  4. Step 4: Simplify right side
    18,048,934x = 1,519,056,003,554,761
  5. Step 5: Solve for x
    x = 1,519,056,003,554,761/18,048,934
  6. Step 6: Final answer
    x = 84,163,197.87

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.