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Finding the Third Proportional to 17,953 and 38,774

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Solution

The third proportional to 17,953 and 38,774 is: 83,742.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,953 : 38,774 = 38,774 : x
  2. Step 2: Convert to fraction form
    17,953/38,774 = 38,774/x
  3. Step 3: Cross multiply
    17,953x = 38,774 × 38,774
  4. Step 4: Simplify right side
    17,953x = 1,503,423,076
  5. Step 5: Solve for x
    x = 1,503,423,076/17,953
  6. Step 6: Final answer
    x = 83,742.16

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.