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Finding the Third Proportional to 25,242 and 53,724

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Solution

The third proportional to 25,242 and 53,724 is: 114,343.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,242 : 53,724 = 53,724 : x
  2. Step 2: Convert to fraction form
    25,242/53,724 = 53,724/x
  3. Step 3: Cross multiply
    25,242x = 53,724 × 53,724
  4. Step 4: Simplify right side
    25,242x = 2,886,268,176
  5. Step 5: Solve for x
    x = 2,886,268,176/25,242
  6. Step 6: Final answer
    x = 114,343.88

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.