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Finding the Third Proportional to 7,174 and 9,528

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Solution

The third proportional to 7,174 and 9,528 is: 12,654.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,174 : 9,528 = 9,528 : x
  2. Step 2: Convert to fraction form
    7,174/9,528 = 9,528/x
  3. Step 3: Cross multiply
    7,174x = 9,528 × 9,528
  4. Step 4: Simplify right side
    7,174x = 90,782,784
  5. Step 5: Solve for x
    x = 90,782,784/7,174
  6. Step 6: Final answer
    x = 12,654.42

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.