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Finding the Third Proportional to 108,243 and 158,175

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Solution

The third proportional to 108,243 and 158,175 is: 231,140.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,243 : 158,175 = 158,175 : x
  2. Step 2: Convert to fraction form
    108,243/158,175 = 158,175/x
  3. Step 3: Cross multiply
    108,243x = 158,175 × 158,175
  4. Step 4: Simplify right side
    108,243x = 25,019,330,625
  5. Step 5: Solve for x
    x = 25,019,330,625/108,243
  6. Step 6: Final answer
    x = 231,140.40

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.