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Finding the Third Proportional to 58,128 and 82,273.75

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Solution

The third proportional to 58,128 and 82,273.75 is: 116,449.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,128 : 82,273.75 = 82,273.75 : x
  2. Step 2: Convert to fraction form
    58,128/82,273.75 = 82,273.75/x
  3. Step 3: Cross multiply
    58,128x = 82,273.75 × 82,273.75
  4. Step 4: Simplify right side
    58,128x = 6,768,969,939.06
  5. Step 5: Solve for x
    x = 6,768,969,939.06/58,128
  6. Step 6: Final answer
    x = 116,449.39

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.