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Finding the Third Proportional to 25,238 and 54,840

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Solution

The third proportional to 25,238 and 54,840 is: 119,162.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,238 : 54,840 = 54,840 : x
  2. Step 2: Convert to fraction form
    25,238/54,840 = 54,840/x
  3. Step 3: Cross multiply
    25,238x = 54,840 × 54,840
  4. Step 4: Simplify right side
    25,238x = 3,007,425,600
  5. Step 5: Solve for x
    x = 3,007,425,600/25,238
  6. Step 6: Final answer
    x = 119,162.60

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.