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Finding the Third Proportional to 4,155.75 and 6,925.88

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Solution

The third proportional to 4,155.75 and 6,925.88 is: 11,542.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,155.75 : 6,925.88 = 6,925.88 : x
  2. Step 2: Convert to fraction form
    4,155.75/6,925.88 = 6,925.88/x
  3. Step 3: Cross multiply
    4,155.75x = 6,925.88 × 6,925.88
  4. Step 4: Simplify right side
    4,155.75x = 47,967,744.52
  5. Step 5: Solve for x
    x = 47,967,744.52/4,155.75
  6. Step 6: Final answer
    x = 11,542.50

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Why These Related Problems?

These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.