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Finding the Third Proportional to 18,555,482.25 and 38,383,798.50

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Solution

The third proportional to 18,555,482.25 and 38,383,798.50 is: 79,400,576.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,555,482.25 : 38,383,798.50 = 38,383,798.50 : x
  2. Step 2: Convert to fraction form
    18,555,482.25/38,383,798.50 = 38,383,798.50/x
  3. Step 3: Cross multiply
    18,555,482.25x = 38,383,798.50 × 38,383,798.50
  4. Step 4: Simplify right side
    18,555,482.25x = 1,473,315,987,288,602.25
  5. Step 5: Solve for x
    x = 1,473,315,987,288,602.25/18,555,482.25
  6. Step 6: Final answer
    x = 79,400,576.47

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.