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Finding the Third Proportional to 2,904 and 6,312

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Solution

The third proportional to 2,904 and 6,312 is: 13,719.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,904 : 6,312 = 6,312 : x
  2. Step 2: Convert to fraction form
    2,904/6,312 = 6,312/x
  3. Step 3: Cross multiply
    2,904x = 6,312 × 6,312
  4. Step 4: Simplify right side
    2,904x = 39,841,344
  5. Step 5: Solve for x
    x = 39,841,344/2,904
  6. Step 6: Final answer
    x = 13,719.47

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.