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Finding the Third Proportional to 346.25 and 757

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Solution

The third proportional to 346.25 and 757 is: 1,655.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    346.25 : 757 = 757 : x
  2. Step 2: Convert to fraction form
    346.25/757 = 757/x
  3. Step 3: Cross multiply
    346.25x = 757 × 757
  4. Step 4: Simplify right side
    346.25x = 573,049
  5. Step 5: Solve for x
    x = 573,049/346.25
  6. Step 6: Final answer
    x = 1,655.02

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.