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Finding the Third Proportional to 4,473 and 5,121

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Solution

The third proportional to 4,473 and 5,121 is: 5,862.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,473 : 5,121 = 5,121 : x
  2. Step 2: Convert to fraction form
    4,473/5,121 = 5,121/x
  3. Step 3: Cross multiply
    4,473x = 5,121 × 5,121
  4. Step 4: Simplify right side
    4,473x = 26,224,641
  5. Step 5: Solve for x
    x = 26,224,641/4,473
  6. Step 6: Final answer
    x = 5,862.88

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Why These Related Problems?

These problems maintain the same ratio (1.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.