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Finding the Third Proportional to 20,213,276 and 31,100,622

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Solution

The third proportional to 20,213,276 and 31,100,622 is: 47,852,148.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,213,276 : 31,100,622 = 31,100,622 : x
  2. Step 2: Convert to fraction form
    20,213,276/31,100,622 = 31,100,622/x
  3. Step 3: Cross multiply
    20,213,276x = 31,100,622 × 31,100,622
  4. Step 4: Simplify right side
    20,213,276x = 967,248,688,786,884
  5. Step 5: Solve for x
    x = 967,248,688,786,884/20,213,276
  6. Step 6: Final answer
    x = 47,852,148.70

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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.