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Finding the Third Proportional to 11,528 and 22,480

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Solution

The third proportional to 11,528 and 22,480 is: 43,836.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,528 : 22,480 = 22,480 : x
  2. Step 2: Convert to fraction form
    11,528/22,480 = 22,480/x
  3. Step 3: Cross multiply
    11,528x = 22,480 × 22,480
  4. Step 4: Simplify right side
    11,528x = 505,350,400
  5. Step 5: Solve for x
    x = 505,350,400/11,528
  6. Step 6: Final answer
    x = 43,836.78

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Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.