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Finding the Third Proportional to 8,318 and 9,038

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Solution

The third proportional to 8,318 and 9,038 is: 9,820.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,318 : 9,038 = 9,038 : x
  2. Step 2: Convert to fraction form
    8,318/9,038 = 9,038/x
  3. Step 3: Cross multiply
    8,318x = 9,038 × 9,038
  4. Step 4: Simplify right side
    8,318x = 81,685,444
  5. Step 5: Solve for x
    x = 81,685,444/8,318
  6. Step 6: Final answer
    x = 9,820.32

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Why These Related Problems?

These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.