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Finding the Third Proportional to 12,133.50 and 18,285.75

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Solution

The third proportional to 12,133.50 and 18,285.75 is: 27,557.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,133.50 : 18,285.75 = 18,285.75 : x
  2. Step 2: Convert to fraction form
    12,133.50/18,285.75 = 18,285.75/x
  3. Step 3: Cross multiply
    12,133.50x = 18,285.75 × 18,285.75
  4. Step 4: Simplify right side
    12,133.50x = 334,368,653.06
  5. Step 5: Solve for x
    x = 334,368,653.06/12,133.50
  6. Step 6: Final answer
    x = 27,557.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.