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Finding the Third Proportional to 6,972.75 and 15,241.50

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Solution

The third proportional to 6,972.75 and 15,241.50 is: 33,315.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,972.75 : 15,241.50 = 15,241.50 : x
  2. Step 2: Convert to fraction form
    6,972.75/15,241.50 = 15,241.50/x
  3. Step 3: Cross multiply
    6,972.75x = 15,241.50 × 15,241.50
  4. Step 4: Simplify right side
    6,972.75x = 232,303,322.25
  5. Step 5: Solve for x
    x = 232,303,322.25/6,972.75
  6. Step 6: Final answer
    x = 33,315.88

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.