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Finding the Third Proportional to 17,515.13 and 26,677.69

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Solution

The third proportional to 17,515.13 and 26,677.69 is: 40,633.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,515.13 : 26,677.69 = 26,677.69 : x
  2. Step 2: Convert to fraction form
    17,515.13/26,677.69 = 26,677.69/x
  3. Step 3: Cross multiply
    17,515.13x = 26,677.69 × 26,677.69
  4. Step 4: Simplify right side
    17,515.13x = 711,699,010.35
  5. Step 5: Solve for x
    x = 711,699,010.35/17,515.13
  6. Step 6: Final answer
    x = 40,633.40

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.