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Finding the Third Proportional to 52,000 and 80,480

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Solution

The third proportional to 52,000 and 80,480 is: 124,558.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,000 : 80,480 = 80,480 : x
  2. Step 2: Convert to fraction form
    52,000/80,480 = 80,480/x
  3. Step 3: Cross multiply
    52,000x = 80,480 × 80,480
  4. Step 4: Simplify right side
    52,000x = 6,477,030,400
  5. Step 5: Solve for x
    x = 6,477,030,400/52,000
  6. Step 6: Final answer
    x = 124,558.28

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.