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Finding the Third Proportional to 11,352 and 15,412

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Solution

The third proportional to 11,352 and 15,412 is: 20,924.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,352 : 15,412 = 15,412 : x
  2. Step 2: Convert to fraction form
    11,352/15,412 = 15,412/x
  3. Step 3: Cross multiply
    11,352x = 15,412 × 15,412
  4. Step 4: Simplify right side
    11,352x = 237,529,744
  5. Step 5: Solve for x
    x = 237,529,744/11,352
  6. Step 6: Final answer
    x = 20,924.04

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.