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Finding the Third Proportional to 16,389 and 35,457.75

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Solution

The third proportional to 16,389 and 35,457.75 is: 76,713.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,389 : 35,457.75 = 35,457.75 : x
  2. Step 2: Convert to fraction form
    16,389/35,457.75 = 35,457.75/x
  3. Step 3: Cross multiply
    16,389x = 35,457.75 × 35,457.75
  4. Step 4: Simplify right side
    16,389x = 1,257,252,035.06
  5. Step 5: Solve for x
    x = 1,257,252,035.06/16,389
  6. Step 6: Final answer
    x = 76,713.16

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.