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Finding the Third Proportional to 342 and 737.63

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Solution

The third proportional to 342 and 737.63 is: 1,590.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    342 : 737.63 = 737.63 : x
  2. Step 2: Convert to fraction form
    342/737.63 = 737.63/x
  3. Step 3: Cross multiply
    342x = 737.63 × 737.63
  4. Step 4: Simplify right side
    342x = 544,090.64
  5. Step 5: Solve for x
    x = 544,090.64/342
  6. Step 6: Final answer
    x = 1,590.91

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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.