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Finding the Third Proportional to 90,404,950.50 and 196,221,690

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Solution

The third proportional to 90,404,950.50 and 196,221,690 is: 425,894,283.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,404,950.50 : 196,221,690 = 196,221,690 : x
  2. Step 2: Convert to fraction form
    90,404,950.50/196,221,690 = 196,221,690/x
  3. Step 3: Cross multiply
    90,404,950.50x = 196,221,690 × 196,221,690
  4. Step 4: Simplify right side
    90,404,950.50x = 38,502,951,626,456,096
  5. Step 5: Solve for x
    x = 38,502,951,626,456,096/90,404,950.50
  6. Step 6: Final answer
    x = 425,894,283.59

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.