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Finding the Third Proportional to 188,554,080 and 405,925,032

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Solution

The third proportional to 188,554,080 and 405,925,032 is: 873,887,913.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,554,080 : 405,925,032 = 405,925,032 : x
  2. Step 2: Convert to fraction form
    188,554,080/405,925,032 = 405,925,032/x
  3. Step 3: Cross multiply
    188,554,080x = 405,925,032 × 405,925,032
  4. Step 4: Simplify right side
    188,554,080x = 164,775,131,604,201,024
  5. Step 5: Solve for x
    x = 164,775,131,604,201,024/188,554,080
  6. Step 6: Final answer
    x = 873,887,913.77

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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.