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Finding the Third Proportional to 2,580 and 5,362

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Solution

The third proportional to 2,580 and 5,362 is: 11,143.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,580 : 5,362 = 5,362 : x
  2. Step 2: Convert to fraction form
    2,580/5,362 = 5,362/x
  3. Step 3: Cross multiply
    2,580x = 5,362 × 5,362
  4. Step 4: Simplify right side
    2,580x = 28,751,044
  5. Step 5: Solve for x
    x = 28,751,044/2,580
  6. Step 6: Final answer
    x = 11,143.82

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.