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Finding the Third Proportional to 16,459 and 36,043

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Solution

The third proportional to 16,459 and 36,043 is: 78,929.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,459 : 36,043 = 36,043 : x
  2. Step 2: Convert to fraction form
    16,459/36,043 = 36,043/x
  3. Step 3: Cross multiply
    16,459x = 36,043 × 36,043
  4. Step 4: Simplify right side
    16,459x = 1,299,097,849
  5. Step 5: Solve for x
    x = 1,299,097,849/16,459
  6. Step 6: Final answer
    x = 78,929.33

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.