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Finding the Third Proportional to 25,393 and 38,630

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Solution

The third proportional to 25,393 and 38,630 is: 58,767.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,393 : 38,630 = 38,630 : x
  2. Step 2: Convert to fraction form
    25,393/38,630 = 38,630/x
  3. Step 3: Cross multiply
    25,393x = 38,630 × 38,630
  4. Step 4: Simplify right side
    25,393x = 1,492,276,900
  5. Step 5: Solve for x
    x = 1,492,276,900/25,393
  6. Step 6: Final answer
    x = 58,767.25

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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.