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Finding the Third Proportional to 1,372.10 and 3,051.26

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Solution

The third proportional to 1,372.10 and 3,051.26 is: 6,785.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372.10 : 3,051.26 = 3,051.26 : x
  2. Step 2: Convert to fraction form
    1,372.10/3,051.26 = 3,051.26/x
  3. Step 3: Cross multiply
    1,372.10x = 3,051.26 × 3,051.26
  4. Step 4: Simplify right side
    1,372.10x = 9,310,210.00
  5. Step 5: Solve for x
    x = 9,310,210.00/1,372.10
  6. Step 6: Final answer
    x = 6,785.39

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.