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Finding the Third Proportional to 19,094 and 40,940

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Solution

The third proportional to 19,094 and 40,940 is: 87,780.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,094 : 40,940 = 40,940 : x
  2. Step 2: Convert to fraction form
    19,094/40,940 = 40,940/x
  3. Step 3: Cross multiply
    19,094x = 40,940 × 40,940
  4. Step 4: Simplify right side
    19,094x = 1,676,083,600
  5. Step 5: Solve for x
    x = 1,676,083,600/19,094
  6. Step 6: Final answer
    x = 87,780.64

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.