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Finding the Third Proportional to 7,984 and 14,480

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Solution

The third proportional to 7,984 and 14,480 is: 26,261.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,984 : 14,480 = 14,480 : x
  2. Step 2: Convert to fraction form
    7,984/14,480 = 14,480/x
  3. Step 3: Cross multiply
    7,984x = 14,480 × 14,480
  4. Step 4: Simplify right side
    7,984x = 209,670,400
  5. Step 5: Solve for x
    x = 209,670,400/7,984
  6. Step 6: Final answer
    x = 26,261.32

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Why These Related Problems?

These problems maintain the same ratio (1.81) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.