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Finding the Third Proportional to 17,918.72 and 25,068.23

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Solution

The third proportional to 17,918.72 and 25,068.23 is: 35,070.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,918.72 : 25,068.23 = 25,068.23 : x
  2. Step 2: Convert to fraction form
    17,918.72/25,068.23 = 25,068.23/x
  3. Step 3: Cross multiply
    17,918.72x = 25,068.23 × 25,068.23
  4. Step 4: Simplify right side
    17,918.72x = 628,416,374.68
  5. Step 5: Solve for x
    x = 628,416,374.68/17,918.72
  6. Step 6: Final answer
    x = 35,070.39

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.