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Finding the Third Proportional to 4,988.25 and 7,634.25

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Solution

The third proportional to 4,988.25 and 7,634.25 is: 11,683.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988.25 : 7,634.25 = 7,634.25 : x
  2. Step 2: Convert to fraction form
    4,988.25/7,634.25 = 7,634.25/x
  3. Step 3: Cross multiply
    4,988.25x = 7,634.25 × 7,634.25
  4. Step 4: Simplify right side
    4,988.25x = 58,281,773.06
  5. Step 5: Solve for x
    x = 58,281,773.06/4,988.25
  6. Step 6: Final answer
    x = 11,683.81

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.