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Finding the Third Proportional to 19,279,977 and 28,181,088

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Solution

The third proportional to 19,279,977 and 28,181,088 is: 41,191,632.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,279,977 : 28,181,088 = 28,181,088 : x
  2. Step 2: Convert to fraction form
    19,279,977/28,181,088 = 28,181,088/x
  3. Step 3: Cross multiply
    19,279,977x = 28,181,088 × 28,181,088
  4. Step 4: Simplify right side
    19,279,977x = 794,173,720,863,744
  5. Step 5: Solve for x
    x = 794,173,720,863,744/19,279,977
  6. Step 6: Final answer
    x = 41,191,632.17

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.