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Finding the Third Proportional to 18,230,265 and 28,218,780

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Solution

The third proportional to 18,230,265 and 28,218,780 is: 43,680,086.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,230,265 : 28,218,780 = 28,218,780 : x
  2. Step 2: Convert to fraction form
    18,230,265/28,218,780 = 28,218,780/x
  3. Step 3: Cross multiply
    18,230,265x = 28,218,780 × 28,218,780
  4. Step 4: Simplify right side
    18,230,265x = 796,299,544,688,400
  5. Step 5: Solve for x
    x = 796,299,544,688,400/18,230,265
  6. Step 6: Final answer
    x = 43,680,086.09

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.