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Finding the Third Proportional to 21,322,013.17 and 30,469,651.35

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Solution

The third proportional to 21,322,013.17 and 30,469,651.35 is: 43,541,838.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,322,013.17 : 30,469,651.35 = 30,469,651.35 : x
  2. Step 2: Convert to fraction form
    21,322,013.17/30,469,651.35 = 30,469,651.35/x
  3. Step 3: Cross multiply
    21,322,013.17x = 30,469,651.35 × 30,469,651.35
  4. Step 4: Simplify right side
    21,322,013.17x = 928,399,653,247,654
  5. Step 5: Solve for x
    x = 928,399,653,247,654/21,322,013.17
  6. Step 6: Final answer
    x = 43,541,838.47

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Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.