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Finding the Third Proportional to 682.03 and 1,445.20

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Solution

The third proportional to 682.03 and 1,445.20 is: 3,062.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    682.03 : 1,445.20 = 1,445.20 : x
  2. Step 2: Convert to fraction form
    682.03/1,445.20 = 1,445.20/x
  3. Step 3: Cross multiply
    682.03x = 1,445.20 × 1,445.20
  4. Step 4: Simplify right side
    682.03x = 2,088,612.07
  5. Step 5: Solve for x
    x = 2,088,612.07/682.03
  6. Step 6: Final answer
    x = 3,062.34

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.