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Finding the Third Proportional to 345.56 and 737.06

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Solution

The third proportional to 345.56 and 737.06 is: 1,572.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    345.56 : 737.06 = 737.06 : x
  2. Step 2: Convert to fraction form
    345.56/737.06 = 737.06/x
  3. Step 3: Cross multiply
    345.56x = 737.06 × 737.06
  4. Step 4: Simplify right side
    345.56x = 543,261.13
  5. Step 5: Solve for x
    x = 543,261.13/345.56
  6. Step 6: Final answer
    x = 1,572.11

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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.