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Finding the Third Proportional to 340.03 and 483.05

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Solution

The third proportional to 340.03 and 483.05 is: 686.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    340.03 : 483.05 = 483.05 : x
  2. Step 2: Convert to fraction form
    340.03/483.05 = 483.05/x
  3. Step 3: Cross multiply
    340.03x = 483.05 × 483.05
  4. Step 4: Simplify right side
    340.03x = 233,334.28
  5. Step 5: Solve for x
    x = 233,334.28/340.03
  6. Step 6: Final answer
    x = 686.21

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Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.