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Finding the Third Proportional to 21,829.50 and 35,073

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Solution

The third proportional to 21,829.50 and 35,073 is: 56,351.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,829.50 : 35,073 = 35,073 : x
  2. Step 2: Convert to fraction form
    21,829.50/35,073 = 35,073/x
  3. Step 3: Cross multiply
    21,829.50x = 35,073 × 35,073
  4. Step 4: Simplify right side
    21,829.50x = 1,230,115,329
  5. Step 5: Solve for x
    x = 1,230,115,329/21,829.50
  6. Step 6: Final answer
    x = 56,351.05

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.