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Finding the Third Proportional to 108,445.50 and 166,890.38

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Solution

The third proportional to 108,445.50 and 166,890.38 is: 256,833.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,445.50 : 166,890.38 = 166,890.38 : x
  2. Step 2: Convert to fraction form
    108,445.50/166,890.38 = 166,890.38/x
  3. Step 3: Cross multiply
    108,445.50x = 166,890.38 × 166,890.38
  4. Step 4: Simplify right side
    108,445.50x = 27,852,397,267.64
  5. Step 5: Solve for x
    x = 27,852,397,267.64/108,445.50
  6. Step 6: Final answer
    x = 256,833.13

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.