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Finding the Third Proportional to 30 and 44.53

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Solution

The third proportional to 30 and 44.53 is: 66.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30 : 44.53 = 44.53 : x
  2. Step 2: Convert to fraction form
    30/44.53 = 44.53/x
  3. Step 3: Cross multiply
    30x = 44.53 × 44.53
  4. Step 4: Simplify right side
    30x = 1,983.03
  5. Step 5: Solve for x
    x = 1,983.03/30
  6. Step 6: Final answer
    x = 66.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.