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Finding the Third Proportional to 25,310 and 38,271

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Solution

The third proportional to 25,310 and 38,271 is: 57,869.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,310 : 38,271 = 38,271 : x
  2. Step 2: Convert to fraction form
    25,310/38,271 = 38,271/x
  3. Step 3: Cross multiply
    25,310x = 38,271 × 38,271
  4. Step 4: Simplify right side
    25,310x = 1,464,669,441
  5. Step 5: Solve for x
    x = 1,464,669,441/25,310
  6. Step 6: Final answer
    x = 57,869.20

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.