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Finding the Third Proportional to 25,680 and 38,358

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Solution

The third proportional to 25,680 and 38,358 is: 57,295.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,680 : 38,358 = 38,358 : x
  2. Step 2: Convert to fraction form
    25,680/38,358 = 38,358/x
  3. Step 3: Cross multiply
    25,680x = 38,358 × 38,358
  4. Step 4: Simplify right side
    25,680x = 1,471,336,164
  5. Step 5: Solve for x
    x = 1,471,336,164/25,680
  6. Step 6: Final answer
    x = 57,295.02

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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.