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Finding the Third Proportional to 161,906,286 and 248,707,854

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Solution

The third proportional to 161,906,286 and 248,707,854 is: 382,045,676.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,906,286 : 248,707,854 = 248,707,854 : x
  2. Step 2: Convert to fraction form
    161,906,286/248,707,854 = 248,707,854/x
  3. Step 3: Cross multiply
    161,906,286x = 248,707,854 × 248,707,854
  4. Step 4: Simplify right side
    161,906,286x = 61,855,596,641,285,312
  5. Step 5: Solve for x
    x = 61,855,596,641,285,312/161,906,286
  6. Step 6: Final answer
    x = 382,045,676.97

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.