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Finding the Third Proportional to 46 and 89.13

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Solution

The third proportional to 46 and 89.13 is: 172.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    46 : 89.13 = 89.13 : x
  2. Step 2: Convert to fraction form
    46/89.13 = 89.13/x
  3. Step 3: Cross multiply
    46x = 89.13 × 89.13
  4. Step 4: Simplify right side
    46x = 7,943.27
  5. Step 5: Solve for x
    x = 7,943.27/46
  6. Step 6: Final answer
    x = 172.68

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Why These Related Problems?

These problems maintain the same ratio (1.94) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.