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Finding the Third Proportional to 20,040 and 35,706

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Solution

The third proportional to 20,040 and 35,706 is: 63,618.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,040 : 35,706 = 35,706 : x
  2. Step 2: Convert to fraction form
    20,040/35,706 = 35,706/x
  3. Step 3: Cross multiply
    20,040x = 35,706 × 35,706
  4. Step 4: Simplify right side
    20,040x = 1,274,918,436
  5. Step 5: Solve for x
    x = 1,274,918,436/20,040
  6. Step 6: Final answer
    x = 63,618.68

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.