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Finding the Third Proportional to 41,526,981 and 90,869,690

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Solution

The third proportional to 41,526,981 and 90,869,690 is: 198,841,821.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,526,981 : 90,869,690 = 90,869,690 : x
  2. Step 2: Convert to fraction form
    41,526,981/90,869,690 = 90,869,690/x
  3. Step 3: Cross multiply
    41,526,981x = 90,869,690 × 90,869,690
  4. Step 4: Simplify right side
    41,526,981x = 8,257,300,560,696,100
  5. Step 5: Solve for x
    x = 8,257,300,560,696,100/41,526,981
  6. Step 6: Final answer
    x = 198,841,821.92

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.