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Finding the Third Proportional to 55,859.63 and 127,620.56

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Solution

The third proportional to 55,859.63 and 127,620.56 is: 291,570.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,859.63 : 127,620.56 = 127,620.56 : x
  2. Step 2: Convert to fraction form
    55,859.63/127,620.56 = 127,620.56/x
  3. Step 3: Cross multiply
    55,859.63x = 127,620.56 × 127,620.56
  4. Step 4: Simplify right side
    55,859.63x = 16,287,007,972.82
  5. Step 5: Solve for x
    x = 16,287,007,972.82/55,859.63
  6. Step 6: Final answer
    x = 291,570.31

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Why These Related Problems?

These problems maintain the same ratio (2.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.