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Finding the Third Proportional to 125,515.50 and 175,558.50

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Solution

The third proportional to 125,515.50 and 175,558.50 is: 245,553.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,515.50 : 175,558.50 = 175,558.50 : x
  2. Step 2: Convert to fraction form
    125,515.50/175,558.50 = 175,558.50/x
  3. Step 3: Cross multiply
    125,515.50x = 175,558.50 × 175,558.50
  4. Step 4: Simplify right side
    125,515.50x = 30,820,786,922.25
  5. Step 5: Solve for x
    x = 30,820,786,922.25/125,515.50
  6. Step 6: Final answer
    x = 245,553.63

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.