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Finding the Third Proportional to 7,167 and 11,386.50

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Solution

The third proportional to 7,167 and 11,386.50 is: 18,090.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,167 : 11,386.50 = 11,386.50 : x
  2. Step 2: Convert to fraction form
    7,167/11,386.50 = 11,386.50/x
  3. Step 3: Cross multiply
    7,167x = 11,386.50 × 11,386.50
  4. Step 4: Simplify right side
    7,167x = 129,652,382.25
  5. Step 5: Solve for x
    x = 129,652,382.25/7,167
  6. Step 6: Final answer
    x = 18,090.19

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.