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Finding the Third Proportional to 507 and 863

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Solution

The third proportional to 507 and 863 is: 1,468.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    507 : 863 = 863 : x
  2. Step 2: Convert to fraction form
    507/863 = 863/x
  3. Step 3: Cross multiply
    507x = 863 × 863
  4. Step 4: Simplify right side
    507x = 744,769
  5. Step 5: Solve for x
    x = 744,769/507
  6. Step 6: Final answer
    x = 1,468.97

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Why These Related Problems?

These problems maintain the same ratio (1.70) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.