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Finding the Third Proportional to 18,428.06 and 38,314.13

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Solution

The third proportional to 18,428.06 and 38,314.13 is: 79,659.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,428.06 : 38,314.13 = 38,314.13 : x
  2. Step 2: Convert to fraction form
    18,428.06/38,314.13 = 38,314.13/x
  3. Step 3: Cross multiply
    18,428.06x = 38,314.13 × 38,314.13
  4. Step 4: Simplify right side
    18,428.06x = 1,467,972,174.52
  5. Step 5: Solve for x
    x = 1,467,972,174.52/18,428.06
  6. Step 6: Final answer
    x = 79,659.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.