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Finding the Third Proportional to 104,556 and 158,130

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Solution

The third proportional to 104,556 and 158,130 is: 239,155.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,556 : 158,130 = 158,130 : x
  2. Step 2: Convert to fraction form
    104,556/158,130 = 158,130/x
  3. Step 3: Cross multiply
    104,556x = 158,130 × 158,130
  4. Step 4: Simplify right side
    104,556x = 25,005,096,900
  5. Step 5: Solve for x
    x = 25,005,096,900/104,556
  6. Step 6: Final answer
    x = 239,155.06

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.