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Finding the Third Proportional to 16,918.50 and 25,310

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Solution

The third proportional to 16,918.50 and 25,310 is: 37,863.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,918.50 : 25,310 = 25,310 : x
  2. Step 2: Convert to fraction form
    16,918.50/25,310 = 25,310/x
  3. Step 3: Cross multiply
    16,918.50x = 25,310 × 25,310
  4. Step 4: Simplify right side
    16,918.50x = 640,596,100
  5. Step 5: Solve for x
    x = 640,596,100/16,918.50
  6. Step 6: Final answer
    x = 37,863.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.