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Finding the Third Proportional to 1,358 and 2,927

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Solution

The third proportional to 1,358 and 2,927 is: 6,308.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358 : 2,927 = 2,927 : x
  2. Step 2: Convert to fraction form
    1,358/2,927 = 2,927/x
  3. Step 3: Cross multiply
    1,358x = 2,927 × 2,927
  4. Step 4: Simplify right side
    1,358x = 8,567,329
  5. Step 5: Solve for x
    x = 8,567,329/1,358
  6. Step 6: Final answer
    x = 6,308.78

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.