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Finding the Third Proportional to 1,910.99 and 4,232.04

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Solution

The third proportional to 1,910.99 and 4,232.04 is: 9,372.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,910.99 : 4,232.04 = 4,232.04 : x
  2. Step 2: Convert to fraction form
    1,910.99/4,232.04 = 4,232.04/x
  3. Step 3: Cross multiply
    1,910.99x = 4,232.04 × 4,232.04
  4. Step 4: Simplify right side
    1,910.99x = 17,910,154.63
  5. Step 5: Solve for x
    x = 17,910,154.63/1,910.99
  6. Step 6: Final answer
    x = 9,372.19

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.