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Finding the Third Proportional to 18,627.75 and 40,531.50

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Solution

The third proportional to 18,627.75 and 40,531.50 is: 88,191.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,627.75 : 40,531.50 = 40,531.50 : x
  2. Step 2: Convert to fraction form
    18,627.75/40,531.50 = 40,531.50/x
  3. Step 3: Cross multiply
    18,627.75x = 40,531.50 × 40,531.50
  4. Step 4: Simplify right side
    18,627.75x = 1,642,802,492.25
  5. Step 5: Solve for x
    x = 1,642,802,492.25/18,627.75
  6. Step 6: Final answer
    x = 88,191.14

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These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.