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Finding the Third Proportional to 90,874,544 and 195,605,922

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Solution

The third proportional to 90,874,544 and 195,605,922 is: 421,038,445.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,874,544 : 195,605,922 = 195,605,922 : x
  2. Step 2: Convert to fraction form
    90,874,544/195,605,922 = 195,605,922/x
  3. Step 3: Cross multiply
    90,874,544x = 195,605,922 × 195,605,922
  4. Step 4: Simplify right side
    90,874,544x = 38,261,676,721,470,080
  5. Step 5: Solve for x
    x = 38,261,676,721,470,080/90,874,544
  6. Step 6: Final answer
    x = 421,038,445.28

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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.