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Finding the Third Proportional to 9,292,682 and 19,929,955

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Solution

The third proportional to 9,292,682 and 19,929,955 is: 42,743,645.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,292,682 : 19,929,955 = 19,929,955 : x
  2. Step 2: Convert to fraction form
    9,292,682/19,929,955 = 19,929,955/x
  3. Step 3: Cross multiply
    9,292,682x = 19,929,955 × 19,929,955
  4. Step 4: Simplify right side
    9,292,682x = 397,203,106,302,025
  5. Step 5: Solve for x
    x = 397,203,106,302,025/9,292,682
  6. Step 6: Final answer
    x = 42,743,645.62

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.