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Finding the Third Proportional to 979.59 and 2,026.90

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Solution

The third proportional to 979.59 and 2,026.90 is: 4,193.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    979.59 : 2,026.90 = 2,026.90 : x
  2. Step 2: Convert to fraction form
    979.59/2,026.90 = 2,026.90/x
  3. Step 3: Cross multiply
    979.59x = 2,026.90 × 2,026.90
  4. Step 4: Simplify right side
    979.59x = 4,108,317.28
  5. Step 5: Solve for x
    x = 4,108,317.28/979.59
  6. Step 6: Final answer
    x = 4,193.90

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.