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Finding the Third Proportional to 25,659 and 38,316

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Solution

The third proportional to 25,659 and 38,316 is: 57,216.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,659 : 38,316 = 38,316 : x
  2. Step 2: Convert to fraction form
    25,659/38,316 = 38,316/x
  3. Step 3: Cross multiply
    25,659x = 38,316 × 38,316
  4. Step 4: Simplify right side
    25,659x = 1,468,115,856
  5. Step 5: Solve for x
    x = 1,468,115,856/25,659
  6. Step 6: Final answer
    x = 57,216.41

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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.