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Finding the Third Proportional to 11,528 and 16,392

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Solution

The third proportional to 11,528 and 16,392 is: 23,308.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,528 : 16,392 = 16,392 : x
  2. Step 2: Convert to fraction form
    11,528/16,392 = 16,392/x
  3. Step 3: Cross multiply
    11,528x = 16,392 × 16,392
  4. Step 4: Simplify right side
    11,528x = 268,697,664
  5. Step 5: Solve for x
    x = 268,697,664/11,528
  6. Step 6: Final answer
    x = 23,308.26

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.