Home / 65,483,128.97-109,131,971.20

Finding the Third Proportional to 65,483,128.97 and 109,131,971.20

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Solution

The third proportional to 65,483,128.97 and 109,131,971.20 is: 181,875,657.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,483,128.97 : 109,131,971.20 = 109,131,971.20 : x
  2. Step 2: Convert to fraction form
    65,483,128.97/109,131,971.20 = 109,131,971.20/x
  3. Step 3: Cross multiply
    65,483,128.97x = 109,131,971.20 × 109,131,971.20
  4. Step 4: Simplify right side
    65,483,128.97x = 11,909,787,138,678,612
  5. Step 5: Solve for x
    x = 11,909,787,138,678,612/65,483,128.97
  6. Step 6: Final answer
    x = 181,875,657.54

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.