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Finding the Third Proportional to 1,541.16 and 3,328.65

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Solution

The third proportional to 1,541.16 and 3,328.65 is: 7,189.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,541.16 : 3,328.65 = 3,328.65 : x
  2. Step 2: Convert to fraction form
    1,541.16/3,328.65 = 3,328.65/x
  3. Step 3: Cross multiply
    1,541.16x = 3,328.65 × 3,328.65
  4. Step 4: Simplify right side
    1,541.16x = 11,079,887.42
  5. Step 5: Solve for x
    x = 11,079,887.42/1,541.16
  6. Step 6: Final answer
    x = 7,189.31

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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.