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Finding the Third Proportional to 18,229 and 39,303.50

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Solution

The third proportional to 18,229 and 39,303.50 is: 84,742.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,229 : 39,303.50 = 39,303.50 : x
  2. Step 2: Convert to fraction form
    18,229/39,303.50 = 39,303.50/x
  3. Step 3: Cross multiply
    18,229x = 39,303.50 × 39,303.50
  4. Step 4: Simplify right side
    18,229x = 1,544,765,112.25
  5. Step 5: Solve for x
    x = 1,544,765,112.25/18,229
  6. Step 6: Final answer
    x = 84,742.18

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.