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Finding the Third Proportional to 3,525 and 7,507.25

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Solution

The third proportional to 3,525 and 7,507.25 is: 15,988.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,525 : 7,507.25 = 7,507.25 : x
  2. Step 2: Convert to fraction form
    3,525/7,507.25 = 7,507.25/x
  3. Step 3: Cross multiply
    3,525x = 7,507.25 × 7,507.25
  4. Step 4: Simplify right side
    3,525x = 56,358,802.56
  5. Step 5: Solve for x
    x = 56,358,802.56/3,525
  6. Step 6: Final answer
    x = 15,988.31

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.