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Finding the Third Proportional to 34,857 and 53,331.75

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Solution

The third proportional to 34,857 and 53,331.75 is: 81,598.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,857 : 53,331.75 = 53,331.75 : x
  2. Step 2: Convert to fraction form
    34,857/53,331.75 = 53,331.75/x
  3. Step 3: Cross multiply
    34,857x = 53,331.75 × 53,331.75
  4. Step 4: Simplify right side
    34,857x = 2,844,275,558.06
  5. Step 5: Solve for x
    x = 2,844,275,558.06/34,857
  6. Step 6: Final answer
    x = 81,598.40

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.