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Finding the Third Proportional to 59.06 and 78.19

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Solution

The third proportional to 59.06 and 78.19 is: 103.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    59.06 : 78.19 = 78.19 : x
  2. Step 2: Convert to fraction form
    59.06/78.19 = 78.19/x
  3. Step 3: Cross multiply
    59.06x = 78.19 × 78.19
  4. Step 4: Simplify right side
    59.06x = 6,113.29
  5. Step 5: Solve for x
    x = 6,113.29/59.06
  6. Step 6: Final answer
    x = 103.51

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These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.