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Finding the Third Proportional to 1,628.86 and 2,488.85

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Solution

The third proportional to 1,628.86 and 2,488.85 is: 3,802.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628.86 : 2,488.85 = 2,488.85 : x
  2. Step 2: Convert to fraction form
    1,628.86/2,488.85 = 2,488.85/x
  3. Step 3: Cross multiply
    1,628.86x = 2,488.85 × 2,488.85
  4. Step 4: Simplify right side
    1,628.86x = 6,194,382.10
  5. Step 5: Solve for x
    x = 6,194,382.10/1,628.86
  6. Step 6: Final answer
    x = 3,802.90

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.