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Finding the Third Proportional to 345.56 and 735

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Solution

The third proportional to 345.56 and 735 is: 1,563.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    345.56 : 735 = 735 : x
  2. Step 2: Convert to fraction form
    345.56/735 = 735/x
  3. Step 3: Cross multiply
    345.56x = 735 × 735
  4. Step 4: Simplify right side
    345.56x = 540,225
  5. Step 5: Solve for x
    x = 540,225/345.56
  6. Step 6: Final answer
    x = 1,563.32

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.