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Finding the Third Proportional to 25,680 and 38,347

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Solution

The third proportional to 25,680 and 38,347 is: 57,262.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,680 : 38,347 = 38,347 : x
  2. Step 2: Convert to fraction form
    25,680/38,347 = 38,347/x
  3. Step 3: Cross multiply
    25,680x = 38,347 × 38,347
  4. Step 4: Simplify right side
    25,680x = 1,470,492,409
  5. Step 5: Solve for x
    x = 1,470,492,409/25,680
  6. Step 6: Final answer
    x = 57,262.17

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.