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Finding the Third Proportional to 21,921,054 and 30,646,923

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Solution

The third proportional to 21,921,054 and 30,646,923 is: 42,846,201.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,921,054 : 30,646,923 = 30,646,923 : x
  2. Step 2: Convert to fraction form
    21,921,054/30,646,923 = 30,646,923/x
  3. Step 3: Cross multiply
    21,921,054x = 30,646,923 × 30,646,923
  4. Step 4: Simplify right side
    21,921,054x = 939,233,889,367,929
  5. Step 5: Solve for x
    x = 939,233,889,367,929/21,921,054
  6. Step 6: Final answer
    x = 42,846,201.16

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.