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Finding the Third Proportional to 25,442 and 54,646

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Solution

The third proportional to 25,442 and 54,646 is: 117,372.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,442 : 54,646 = 54,646 : x
  2. Step 2: Convert to fraction form
    25,442/54,646 = 54,646/x
  3. Step 3: Cross multiply
    25,442x = 54,646 × 54,646
  4. Step 4: Simplify right side
    25,442x = 2,986,185,316
  5. Step 5: Solve for x
    x = 2,986,185,316/25,442
  6. Step 6: Final answer
    x = 117,372.27

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.