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Finding the Third Proportional to 7,582 and 11,687

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Solution

The third proportional to 7,582 and 11,687 is: 18,014.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,582 : 11,687 = 11,687 : x
  2. Step 2: Convert to fraction form
    7,582/11,687 = 11,687/x
  3. Step 3: Cross multiply
    7,582x = 11,687 × 11,687
  4. Step 4: Simplify right side
    7,582x = 136,585,969
  5. Step 5: Solve for x
    x = 136,585,969/7,582
  6. Step 6: Final answer
    x = 18,014.50

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.