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Finding the Third Proportional to 2,958.40 and 4,460.38

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Solution

The third proportional to 2,958.40 and 4,460.38 is: 6,724.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,958.40 : 4,460.38 = 4,460.38 : x
  2. Step 2: Convert to fraction form
    2,958.40/4,460.38 = 4,460.38/x
  3. Step 3: Cross multiply
    2,958.40x = 4,460.38 × 4,460.38
  4. Step 4: Simplify right side
    2,958.40x = 19,894,979.99
  5. Step 5: Solve for x
    x = 19,894,979.99/2,958.40
  6. Step 6: Final answer
    x = 6,724.92

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.