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Finding the Third Proportional to 7,357 and 9,865

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Solution

The third proportional to 7,357 and 9,865 is: 13,227.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,357 : 9,865 = 9,865 : x
  2. Step 2: Convert to fraction form
    7,357/9,865 = 9,865/x
  3. Step 3: Cross multiply
    7,357x = 9,865 × 9,865
  4. Step 4: Simplify right side
    7,357x = 97,318,225
  5. Step 5: Solve for x
    x = 97,318,225/7,357
  6. Step 6: Final answer
    x = 13,227.98

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.