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Finding the Third Proportional to 108,516.38 and 168,986.25

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Solution

The third proportional to 108,516.38 and 168,986.25 is: 263,152.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,516.38 : 168,986.25 = 168,986.25 : x
  2. Step 2: Convert to fraction form
    108,516.38/168,986.25 = 168,986.25/x
  3. Step 3: Cross multiply
    108,516.38x = 168,986.25 × 168,986.25
  4. Step 4: Simplify right side
    108,516.38x = 28,556,352,689.06
  5. Step 5: Solve for x
    x = 28,556,352,689.06/108,516.38
  6. Step 6: Final answer
    x = 263,152.48

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.