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Finding the Third Proportional to 7,844 and 12,303.75

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Solution

The third proportional to 7,844 and 12,303.75 is: 19,299.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,844 : 12,303.75 = 12,303.75 : x
  2. Step 2: Convert to fraction form
    7,844/12,303.75 = 12,303.75/x
  3. Step 3: Cross multiply
    7,844x = 12,303.75 × 12,303.75
  4. Step 4: Simplify right side
    7,844x = 151,382,264.06
  5. Step 5: Solve for x
    x = 151,382,264.06/7,844
  6. Step 6: Final answer
    x = 19,299.12

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.