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Finding the Third Proportional to 25,533 and 38,145

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Solution

The third proportional to 25,533 and 38,145 is: 56,986.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,533 : 38,145 = 38,145 : x
  2. Step 2: Convert to fraction form
    25,533/38,145 = 38,145/x
  3. Step 3: Cross multiply
    25,533x = 38,145 × 38,145
  4. Step 4: Simplify right side
    25,533x = 1,455,041,025
  5. Step 5: Solve for x
    x = 1,455,041,025/25,533
  6. Step 6: Final answer
    x = 56,986.68

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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.