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Finding the Third Proportional to 925.13 and 1,979.63

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Solution

The third proportional to 925.13 and 1,979.63 is: 4,236.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    925.13 : 1,979.63 = 1,979.63 : x
  2. Step 2: Convert to fraction form
    925.13/1,979.63 = 1,979.63/x
  3. Step 3: Cross multiply
    925.13x = 1,979.63 × 1,979.63
  4. Step 4: Simplify right side
    925.13x = 3,918,915.14
  5. Step 5: Solve for x
    x = 3,918,915.14/925.13
  6. Step 6: Final answer
    x = 4,236.09

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.