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Finding the Third Proportional to 5,191,407 and 11,181,185

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Solution

The third proportional to 5,191,407 and 11,181,185 is: 24,081,891.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,191,407 : 11,181,185 = 11,181,185 : x
  2. Step 2: Convert to fraction form
    5,191,407/11,181,185 = 11,181,185/x
  3. Step 3: Cross multiply
    5,191,407x = 11,181,185 × 11,181,185
  4. Step 4: Simplify right side
    5,191,407x = 125,018,898,004,225
  5. Step 5: Solve for x
    x = 125,018,898,004,225/5,191,407
  6. Step 6: Final answer
    x = 24,081,891.10

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.