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Finding the Third Proportional to 236.19 and 510.31

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Solution

The third proportional to 236.19 and 510.31 is: 1,102.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    236.19 : 510.31 = 510.31 : x
  2. Step 2: Convert to fraction form
    236.19/510.31 = 510.31/x
  3. Step 3: Cross multiply
    236.19x = 510.31 × 510.31
  4. Step 4: Simplify right side
    236.19x = 260,418.85
  5. Step 5: Solve for x
    x = 260,418.85/236.19
  6. Step 6: Final answer
    x = 1,102.59

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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.