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Finding the Third Proportional to 125,408 and 254,054

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Solution

The third proportional to 125,408 and 254,054 is: 514,667.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,408 : 254,054 = 254,054 : x
  2. Step 2: Convert to fraction form
    125,408/254,054 = 254,054/x
  3. Step 3: Cross multiply
    125,408x = 254,054 × 254,054
  4. Step 4: Simplify right side
    125,408x = 64,543,434,916
  5. Step 5: Solve for x
    x = 64,543,434,916/125,408
  6. Step 6: Final answer
    x = 514,667.60

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.