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Finding the Third Proportional to 4,635,619.88 and 7,091,256.38

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Solution

The third proportional to 4,635,619.88 and 7,091,256.38 is: 10,847,722.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,635,619.88 : 7,091,256.38 = 7,091,256.38 : x
  2. Step 2: Convert to fraction form
    4,635,619.88/7,091,256.38 = 7,091,256.38/x
  3. Step 3: Cross multiply
    4,635,619.88x = 7,091,256.38 × 7,091,256.38
  4. Step 4: Simplify right side
    4,635,619.88x = 50,285,916,975,978.14
  5. Step 5: Solve for x
    x = 50,285,916,975,978.14/4,635,619.88
  6. Step 6: Final answer
    x = 10,847,722.27

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.