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Finding the Third Proportional to 502.03 and 807.05

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Solution

The third proportional to 502.03 and 807.05 is: 1,297.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    502.03 : 807.05 = 807.05 : x
  2. Step 2: Convert to fraction form
    502.03/807.05 = 807.05/x
  3. Step 3: Cross multiply
    502.03x = 807.05 × 807.05
  4. Step 4: Simplify right side
    502.03x = 651,324.66
  5. Step 5: Solve for x
    x = 651,324.66/502.03
  6. Step 6: Final answer
    x = 1,297.38

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.