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Finding the Third Proportional to 16,210.75 and 35,190

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Solution

The third proportional to 16,210.75 and 35,190 is: 76,389.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,210.75 : 35,190 = 35,190 : x
  2. Step 2: Convert to fraction form
    16,210.75/35,190 = 35,190/x
  3. Step 3: Cross multiply
    16,210.75x = 35,190 × 35,190
  4. Step 4: Simplify right side
    16,210.75x = 1,238,336,100
  5. Step 5: Solve for x
    x = 1,238,336,100/16,210.75
  6. Step 6: Final answer
    x = 76,389.81

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.