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Finding the Third Proportional to 11,528 and 13,232

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Solution

The third proportional to 11,528 and 13,232 is: 15,187.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,528 : 13,232 = 13,232 : x
  2. Step 2: Convert to fraction form
    11,528/13,232 = 13,232/x
  3. Step 3: Cross multiply
    11,528x = 13,232 × 13,232
  4. Step 4: Simplify right side
    11,528x = 175,085,824
  5. Step 5: Solve for x
    x = 175,085,824/11,528
  6. Step 6: Final answer
    x = 15,187.88

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Why These Related Problems?

These problems maintain the same ratio (1.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.