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Finding the Third Proportional to 17,769 and 27,513.75

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Solution

The third proportional to 17,769 and 27,513.75 is: 42,602.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,769 : 27,513.75 = 27,513.75 : x
  2. Step 2: Convert to fraction form
    17,769/27,513.75 = 27,513.75/x
  3. Step 3: Cross multiply
    17,769x = 27,513.75 × 27,513.75
  4. Step 4: Simplify right side
    17,769x = 757,006,439.06
  5. Step 5: Solve for x
    x = 757,006,439.06/17,769
  6. Step 6: Final answer
    x = 42,602.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.