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Finding the Third Proportional to 16,251 and 35,440

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Solution

The third proportional to 16,251 and 35,440 is: 77,287.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,251 : 35,440 = 35,440 : x
  2. Step 2: Convert to fraction form
    16,251/35,440 = 35,440/x
  3. Step 3: Cross multiply
    16,251x = 35,440 × 35,440
  4. Step 4: Simplify right side
    16,251x = 1,255,993,600
  5. Step 5: Solve for x
    x = 1,255,993,600/16,251
  6. Step 6: Final answer
    x = 77,287.16

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.