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Finding the Third Proportional to 110,315.25 and 238,128.75

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Solution

The third proportional to 110,315.25 and 238,128.75 is: 514,029.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,315.25 : 238,128.75 = 238,128.75 : x
  2. Step 2: Convert to fraction form
    110,315.25/238,128.75 = 238,128.75/x
  3. Step 3: Cross multiply
    110,315.25x = 238,128.75 × 238,128.75
  4. Step 4: Simplify right side
    110,315.25x = 56,705,301,576.56
  5. Step 5: Solve for x
    x = 56,705,301,576.56/110,315.25
  6. Step 6: Final answer
    x = 514,029.58

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.