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Finding the Third Proportional to 108,858.75 and 164,928.75

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Solution

The third proportional to 108,858.75 and 164,928.75 is: 249,878.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,858.75 : 164,928.75 = 164,928.75 : x
  2. Step 2: Convert to fraction form
    108,858.75/164,928.75 = 164,928.75/x
  3. Step 3: Cross multiply
    108,858.75x = 164,928.75 × 164,928.75
  4. Step 4: Simplify right side
    108,858.75x = 27,201,492,576.56
  5. Step 5: Solve for x
    x = 27,201,492,576.56/108,858.75
  6. Step 6: Final answer
    x = 249,878.79

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.