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Finding the Third Proportional to 40,910,889 and 90,901,942

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Solution

The third proportional to 40,910,889 and 90,901,942 is: 201,979,552.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,910,889 : 90,901,942 = 90,901,942 : x
  2. Step 2: Convert to fraction form
    40,910,889/90,901,942 = 90,901,942/x
  3. Step 3: Cross multiply
    40,910,889x = 90,901,942 × 90,901,942
  4. Step 4: Simplify right side
    40,910,889x = 8,263,163,059,371,364
  5. Step 5: Solve for x
    x = 8,263,163,059,371,364/40,910,889
  6. Step 6: Final answer
    x = 201,979,552.67

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.