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Finding the Third Proportional to 1,310.25 and 2,802.38

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Solution

The third proportional to 1,310.25 and 2,802.38 is: 5,993.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310.25 : 2,802.38 = 2,802.38 : x
  2. Step 2: Convert to fraction form
    1,310.25/2,802.38 = 2,802.38/x
  3. Step 3: Cross multiply
    1,310.25x = 2,802.38 × 2,802.38
  4. Step 4: Simplify right side
    1,310.25x = 7,853,305.64
  5. Step 5: Solve for x
    x = 7,853,305.64/1,310.25
  6. Step 6: Final answer
    x = 5,993.75

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.