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Finding the Third Proportional to 9,889,176 and 20,536,272

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Solution

The third proportional to 9,889,176 and 20,536,272 is: 42,646,472.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,889,176 : 20,536,272 = 20,536,272 : x
  2. Step 2: Convert to fraction form
    9,889,176/20,536,272 = 20,536,272/x
  3. Step 3: Cross multiply
    9,889,176x = 20,536,272 × 20,536,272
  4. Step 4: Simplify right side
    9,889,176x = 421,738,467,657,984
  5. Step 5: Solve for x
    x = 421,738,467,657,984/9,889,176
  6. Step 6: Final answer
    x = 42,646,472.03

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.