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Finding the Third Proportional to 188,554,320 and 405,925,632

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Solution

The third proportional to 188,554,320 and 405,925,632 is: 873,889,384.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,554,320 : 405,925,632 = 405,925,632 : x
  2. Step 2: Convert to fraction form
    188,554,320/405,925,632 = 405,925,632/x
  3. Step 3: Cross multiply
    188,554,320x = 405,925,632 × 405,925,632
  4. Step 4: Simplify right side
    188,554,320x = 164,775,618,714,599,424
  5. Step 5: Solve for x
    x = 164,775,618,714,599,424/188,554,320
  6. Step 6: Final answer
    x = 873,889,384.84

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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.