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Finding the Third Proportional to 2,809.69 and 4,265.16

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Solution

The third proportional to 2,809.69 and 4,265.16 is: 6,474.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,809.69 : 4,265.16 = 4,265.16 : x
  2. Step 2: Convert to fraction form
    2,809.69/4,265.16 = 4,265.16/x
  3. Step 3: Cross multiply
    2,809.69x = 4,265.16 × 4,265.16
  4. Step 4: Simplify right side
    2,809.69x = 18,191,557.84
  5. Step 5: Solve for x
    x = 18,191,557.84/2,809.69
  6. Step 6: Final answer
    x = 6,474.58

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.