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Finding the Third Proportional to 7,682.25 and 12,248.25

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Solution

The third proportional to 7,682.25 and 12,248.25 is: 19,528.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,682.25 : 12,248.25 = 12,248.25 : x
  2. Step 2: Convert to fraction form
    7,682.25/12,248.25 = 12,248.25/x
  3. Step 3: Cross multiply
    7,682.25x = 12,248.25 × 12,248.25
  4. Step 4: Simplify right side
    7,682.25x = 150,019,628.06
  5. Step 5: Solve for x
    x = 150,019,628.06/7,682.25
  6. Step 6: Final answer
    x = 19,528.08

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.