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Finding the Third Proportional to 18,546.75 and 28,434.38

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Solution

The third proportional to 18,546.75 and 28,434.38 is: 43,593.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,546.75 : 28,434.38 = 28,434.38 : x
  2. Step 2: Convert to fraction form
    18,546.75/28,434.38 = 28,434.38/x
  3. Step 3: Cross multiply
    18,546.75x = 28,434.38 × 28,434.38
  4. Step 4: Simplify right side
    18,546.75x = 808,513,681.64
  5. Step 5: Solve for x
    x = 808,513,681.64/18,546.75
  6. Step 6: Final answer
    x = 43,593.28

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1.5x scale

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.