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Finding the Third Proportional to 74,855,745 and 163,800,218.25

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Solution

The third proportional to 74,855,745 and 163,800,218.25 is: 358,429,556.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,855,745 : 163,800,218.25 = 163,800,218.25 : x
  2. Step 2: Convert to fraction form
    74,855,745/163,800,218.25 = 163,800,218.25/x
  3. Step 3: Cross multiply
    74,855,745x = 163,800,218.25 × 163,800,218.25
  4. Step 4: Simplify right side
    74,855,745x = 26,830,511,498,747,632
  5. Step 5: Solve for x
    x = 26,830,511,498,747,632/74,855,745
  6. Step 6: Final answer
    x = 358,429,556.73

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.