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Finding the Third Proportional to 18,475.59 and 28,254.45

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Solution

The third proportional to 18,475.59 and 28,254.45 is: 43,209.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,475.59 : 28,254.45 = 28,254.45 : x
  2. Step 2: Convert to fraction form
    18,475.59/28,254.45 = 28,254.45/x
  3. Step 3: Cross multiply
    18,475.59x = 28,254.45 × 28,254.45
  4. Step 4: Simplify right side
    18,475.59x = 798,313,679.92
  5. Step 5: Solve for x
    x = 798,313,679.92/18,475.59
  6. Step 6: Final answer
    x = 43,209.09

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.