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Finding the Third Proportional to 7,382 and 8,606

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Solution

The third proportional to 7,382 and 8,606 is: 10,032.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,382 : 8,606 = 8,606 : x
  2. Step 2: Convert to fraction form
    7,382/8,606 = 8,606/x
  3. Step 3: Cross multiply
    7,382x = 8,606 × 8,606
  4. Step 4: Simplify right side
    7,382x = 74,063,236
  5. Step 5: Solve for x
    x = 74,063,236/7,382
  6. Step 6: Final answer
    x = 10,032.95

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Why These Related Problems?

These problems maintain the same ratio (1.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.