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Finding the Third Proportional to 188,554,065 and 405,925,005

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Solution

The third proportional to 188,554,065 and 405,925,005 is: 873,887,867.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,554,065 : 405,925,005 = 405,925,005 : x
  2. Step 2: Convert to fraction form
    188,554,065/405,925,005 = 405,925,005/x
  3. Step 3: Cross multiply
    188,554,065x = 405,925,005 × 405,925,005
  4. Step 4: Simplify right side
    188,554,065x = 164,775,109,684,250,016
  5. Step 5: Solve for x
    x = 164,775,109,684,250,016/188,554,065
  6. Step 6: Final answer
    x = 873,887,867.04

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.