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Finding the Third Proportional to 27,972,077 and 43,200,332

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Solution

The third proportional to 27,972,077 and 43,200,332 is: 66,718,988.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,972,077 : 43,200,332 = 43,200,332 : x
  2. Step 2: Convert to fraction form
    27,972,077/43,200,332 = 43,200,332/x
  3. Step 3: Cross multiply
    27,972,077x = 43,200,332 × 43,200,332
  4. Step 4: Simplify right side
    27,972,077x = 1,866,268,684,910,224
  5. Step 5: Solve for x
    x = 1,866,268,684,910,224/27,972,077
  6. Step 6: Final answer
    x = 66,718,988.54

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.