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Finding the Third Proportional to 11,553 and 16,917.75

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Solution

The third proportional to 11,553 and 16,917.75 is: 24,773.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,553 : 16,917.75 = 16,917.75 : x
  2. Step 2: Convert to fraction form
    11,553/16,917.75 = 16,917.75/x
  3. Step 3: Cross multiply
    11,553x = 16,917.75 × 16,917.75
  4. Step 4: Simplify right side
    11,553x = 286,210,265.06
  5. Step 5: Solve for x
    x = 286,210,265.06/11,553
  6. Step 6: Final answer
    x = 24,773.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.