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Finding the Third Proportional to 802.75 and 1,865.13

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Solution

The third proportional to 802.75 and 1,865.13 is: 4,333.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    802.75 : 1,865.13 = 1,865.13 : x
  2. Step 2: Convert to fraction form
    802.75/1,865.13 = 1,865.13/x
  3. Step 3: Cross multiply
    802.75x = 1,865.13 × 1,865.13
  4. Step 4: Simplify right side
    802.75x = 3,478,691.27
  5. Step 5: Solve for x
    x = 3,478,691.27/802.75
  6. Step 6: Final answer
    x = 4,333.47

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.