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Finding the Third Proportional to 2,164 and 2,488

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Solution

The third proportional to 2,164 and 2,488 is: 2,860.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,164 : 2,488 = 2,488 : x
  2. Step 2: Convert to fraction form
    2,164/2,488 = 2,488/x
  3. Step 3: Cross multiply
    2,164x = 2,488 × 2,488
  4. Step 4: Simplify right side
    2,164x = 6,190,144
  5. Step 5: Solve for x
    x = 6,190,144/2,164
  6. Step 6: Final answer
    x = 2,860.51

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Why These Related Problems?

These problems maintain the same ratio (1.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.