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Finding the Third Proportional to 4,275 and 7,036.50

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Solution

The third proportional to 4,275 and 7,036.50 is: 11,581.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,275 : 7,036.50 = 7,036.50 : x
  2. Step 2: Convert to fraction form
    4,275/7,036.50 = 7,036.50/x
  3. Step 3: Cross multiply
    4,275x = 7,036.50 × 7,036.50
  4. Step 4: Simplify right side
    4,275x = 49,512,332.25
  5. Step 5: Solve for x
    x = 49,512,332.25/4,275
  6. Step 6: Final answer
    x = 11,581.83

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Why These Related Problems?

These problems maintain the same ratio (1.65) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.