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Finding the Third Proportional to 18,213,216 and 38,786,052

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Solution

The third proportional to 18,213,216 and 38,786,052 is: 82,597,045.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,213,216 : 38,786,052 = 38,786,052 : x
  2. Step 2: Convert to fraction form
    18,213,216/38,786,052 = 38,786,052/x
  3. Step 3: Cross multiply
    18,213,216x = 38,786,052 × 38,786,052
  4. Step 4: Simplify right side
    18,213,216x = 1,504,357,829,746,704
  5. Step 5: Solve for x
    x = 1,504,357,829,746,704/18,213,216
  6. Step 6: Final answer
    x = 82,597,045.45

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.