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Finding the Third Proportional to 7,828,407 and 11,024,181

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Solution

The third proportional to 7,828,407 and 11,024,181 is: 15,524,559.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,828,407 : 11,024,181 = 11,024,181 : x
  2. Step 2: Convert to fraction form
    7,828,407/11,024,181 = 11,024,181/x
  3. Step 3: Cross multiply
    7,828,407x = 11,024,181 × 11,024,181
  4. Step 4: Simplify right side
    7,828,407x = 121,532,566,720,761
  5. Step 5: Solve for x
    x = 121,532,566,720,761/7,828,407
  6. Step 6: Final answer
    x = 15,524,559.05

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.