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Finding the Third Proportional to 125,676.50 and 269,343.50

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Solution

The third proportional to 125,676.50 and 269,343.50 is: 577,243.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,676.50 : 269,343.50 = 269,343.50 : x
  2. Step 2: Convert to fraction form
    125,676.50/269,343.50 = 269,343.50/x
  3. Step 3: Cross multiply
    125,676.50x = 269,343.50 × 269,343.50
  4. Step 4: Simplify right side
    125,676.50x = 72,545,920,992.25
  5. Step 5: Solve for x
    x = 72,545,920,992.25/125,676.50
  6. Step 6: Final answer
    x = 577,243.33

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.