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Finding the Third Proportional to 12,994 and 28,580

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Solution

The third proportional to 12,994 and 28,580 is: 62,861.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,994 : 28,580 = 28,580 : x
  2. Step 2: Convert to fraction form
    12,994/28,580 = 28,580/x
  3. Step 3: Cross multiply
    12,994x = 28,580 × 28,580
  4. Step 4: Simplify right side
    12,994x = 816,816,400
  5. Step 5: Solve for x
    x = 816,816,400/12,994
  6. Step 6: Final answer
    x = 62,861.04

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.