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Finding the Third Proportional to 101.06 and 147.19

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Solution

The third proportional to 101.06 and 147.19 is: 214.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    101.06 : 147.19 = 147.19 : x
  2. Step 2: Convert to fraction form
    101.06/147.19 = 147.19/x
  3. Step 3: Cross multiply
    101.06x = 147.19 × 147.19
  4. Step 4: Simplify right side
    101.06x = 21,664.16
  5. Step 5: Solve for x
    x = 21,664.16/101.06
  6. Step 6: Final answer
    x = 214.36

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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.