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Finding the Third Proportional to 1,630.69 and 3,516.19

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Solution

The third proportional to 1,630.69 and 3,516.19 is: 7,581.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,630.69 : 3,516.19 = 3,516.19 : x
  2. Step 2: Convert to fraction form
    1,630.69/3,516.19 = 3,516.19/x
  3. Step 3: Cross multiply
    1,630.69x = 3,516.19 × 3,516.19
  4. Step 4: Simplify right side
    1,630.69x = 12,363,574.54
  5. Step 5: Solve for x
    x = 12,363,574.54/1,630.69
  6. Step 6: Final answer
    x = 7,581.82

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.