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Finding the Third Proportional to 18,186.75 and 28,030.25

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Solution

The third proportional to 18,186.75 and 28,030.25 is: 43,201.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,186.75 : 28,030.25 = 28,030.25 : x
  2. Step 2: Convert to fraction form
    18,186.75/28,030.25 = 28,030.25/x
  3. Step 3: Cross multiply
    18,186.75x = 28,030.25 × 28,030.25
  4. Step 4: Simplify right side
    18,186.75x = 785,694,915.06
  5. Step 5: Solve for x
    x = 785,694,915.06/18,186.75
  6. Step 6: Final answer
    x = 43,201.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.