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Finding the Third Proportional to 9,304.50 and 13,015

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Solution

The third proportional to 9,304.50 and 13,015 is: 18,205.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,304.50 : 13,015 = 13,015 : x
  2. Step 2: Convert to fraction form
    9,304.50/13,015 = 13,015/x
  3. Step 3: Cross multiply
    9,304.50x = 13,015 × 13,015
  4. Step 4: Simplify right side
    9,304.50x = 169,390,225
  5. Step 5: Solve for x
    x = 169,390,225/9,304.50
  6. Step 6: Final answer
    x = 18,205.19

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.