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Finding the Third Proportional to 7,988.25 and 17,370.75

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Solution

The third proportional to 7,988.25 and 17,370.75 is: 37,773.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,988.25 : 17,370.75 = 17,370.75 : x
  2. Step 2: Convert to fraction form
    7,988.25/17,370.75 = 17,370.75/x
  3. Step 3: Cross multiply
    7,988.25x = 17,370.75 × 17,370.75
  4. Step 4: Simplify right side
    7,988.25x = 301,742,955.56
  5. Step 5: Solve for x
    x = 301,742,955.56/7,988.25
  6. Step 6: Final answer
    x = 37,773.35

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.