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Finding the Third Proportional to 90,874,588 and 195,606,012

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Solution

The third proportional to 90,874,588 and 195,606,012 is: 421,038,628.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,874,588 : 195,606,012 = 195,606,012 : x
  2. Step 2: Convert to fraction form
    90,874,588/195,606,012 = 195,606,012/x
  3. Step 3: Cross multiply
    90,874,588x = 195,606,012 × 195,606,012
  4. Step 4: Simplify right side
    90,874,588x = 38,261,711,930,544,144
  5. Step 5: Solve for x
    x = 38,261,711,930,544,144/90,874,588
  6. Step 6: Final answer
    x = 421,038,628.87

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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.