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Finding the Third Proportional to 13,440 and 32,448

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Solution

The third proportional to 13,440 and 32,448 is: 78,338.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,440 : 32,448 = 32,448 : x
  2. Step 2: Convert to fraction form
    13,440/32,448 = 32,448/x
  3. Step 3: Cross multiply
    13,440x = 32,448 × 32,448
  4. Step 4: Simplify right side
    13,440x = 1,052,872,704
  5. Step 5: Solve for x
    x = 1,052,872,704/13,440
  6. Step 6: Final answer
    x = 78,338.74

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Why These Related Problems?

These problems maintain the same ratio (2.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.