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Finding the Third Proportional to 45,356,940 and 70,040,889

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Solution

The third proportional to 45,356,940 and 70,040,889 is: 108,158,225.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,356,940 : 70,040,889 = 70,040,889 : x
  2. Step 2: Convert to fraction form
    45,356,940/70,040,889 = 70,040,889/x
  3. Step 3: Cross multiply
    45,356,940x = 70,040,889 × 70,040,889
  4. Step 4: Simplify right side
    45,356,940x = 4,905,726,131,910,321
  5. Step 5: Solve for x
    x = 4,905,726,131,910,321/45,356,940
  6. Step 6: Final answer
    x = 108,158,225.22

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.