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Finding the Third Proportional to 57,408 and 125,888

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Solution

The third proportional to 57,408 and 125,888 is: 276,055.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,408 : 125,888 = 125,888 : x
  2. Step 2: Convert to fraction form
    57,408/125,888 = 125,888/x
  3. Step 3: Cross multiply
    57,408x = 125,888 × 125,888
  4. Step 4: Simplify right side
    57,408x = 15,847,788,544
  5. Step 5: Solve for x
    x = 15,847,788,544/57,408
  6. Step 6: Final answer
    x = 276,055.40

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.