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Finding the Third Proportional to 21,917,168 and 34,905,288

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Solution

The third proportional to 21,917,168 and 34,905,288 is: 55,590,171.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,917,168 : 34,905,288 = 34,905,288 : x
  2. Step 2: Convert to fraction form
    21,917,168/34,905,288 = 34,905,288/x
  3. Step 3: Cross multiply
    21,917,168x = 34,905,288 × 34,905,288
  4. Step 4: Simplify right side
    21,917,168x = 1,218,379,130,362,944
  5. Step 5: Solve for x
    x = 1,218,379,130,362,944/21,917,168
  6. Step 6: Final answer
    x = 55,590,171.61

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.