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Finding the Third Proportional to 807.47 and 1,683.28

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Solution

The third proportional to 807.47 and 1,683.28 is: 3,509.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    807.47 : 1,683.28 = 1,683.28 : x
  2. Step 2: Convert to fraction form
    807.47/1,683.28 = 1,683.28/x
  3. Step 3: Cross multiply
    807.47x = 1,683.28 × 1,683.28
  4. Step 4: Simplify right side
    807.47x = 2,833,435.77
  5. Step 5: Solve for x
    x = 2,833,435.77/807.47
  6. Step 6: Final answer
    x = 3,509.03

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.