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Finding the Third Proportional to 18,322.50 and 25,281

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Solution

The third proportional to 18,322.50 and 25,281 is: 34,882.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,322.50 : 25,281 = 25,281 : x
  2. Step 2: Convert to fraction form
    18,322.50/25,281 = 25,281/x
  3. Step 3: Cross multiply
    18,322.50x = 25,281 × 25,281
  4. Step 4: Simplify right side
    18,322.50x = 639,128,961
  5. Step 5: Solve for x
    x = 639,128,961/18,322.50
  6. Step 6: Final answer
    x = 34,882.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.