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Finding the Third Proportional to 39.63 and 46

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Solution

The third proportional to 39.63 and 46 is: 53.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39.63 : 46 = 46 : x
  2. Step 2: Convert to fraction form
    39.63/46 = 46/x
  3. Step 3: Cross multiply
    39.63x = 46 × 46
  4. Step 4: Simplify right side
    39.63x = 2,116
  5. Step 5: Solve for x
    x = 2,116/39.63
  6. Step 6: Final answer
    x = 53.40

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Why These Related Problems?

These problems maintain the same ratio (1.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.