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Finding the Third Proportional to 18,166.78 and 26,530.03

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Solution

The third proportional to 18,166.78 and 26,530.03 is: 38,743.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,166.78 : 26,530.03 = 26,530.03 : x
  2. Step 2: Convert to fraction form
    18,166.78/26,530.03 = 26,530.03/x
  3. Step 3: Cross multiply
    18,166.78x = 26,530.03 × 26,530.03
  4. Step 4: Simplify right side
    18,166.78x = 703,842,558.13
  5. Step 5: Solve for x
    x = 703,842,558.13/18,166.78
  6. Step 6: Final answer
    x = 38,743.38

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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.