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Finding the Third Proportional to 8,155,986 and 11,407,483

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Solution

The third proportional to 8,155,986 and 11,407,483 is: 15,955,234.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,155,986 : 11,407,483 = 11,407,483 : x
  2. Step 2: Convert to fraction form
    8,155,986/11,407,483 = 11,407,483/x
  3. Step 3: Cross multiply
    8,155,986x = 11,407,483 × 11,407,483
  4. Step 4: Simplify right side
    8,155,986x = 130,130,668,395,289
  5. Step 5: Solve for x
    x = 130,130,668,395,289/8,155,986
  6. Step 6: Final answer
    x = 15,955,234.40

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.