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Finding the Third Proportional to 4,625 and 7,116.50

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Solution

The third proportional to 4,625 and 7,116.50 is: 10,950.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,625 : 7,116.50 = 7,116.50 : x
  2. Step 2: Convert to fraction form
    4,625/7,116.50 = 7,116.50/x
  3. Step 3: Cross multiply
    4,625x = 7,116.50 × 7,116.50
  4. Step 4: Simplify right side
    4,625x = 50,644,572.25
  5. Step 5: Solve for x
    x = 50,644,572.25/4,625
  6. Step 6: Final answer
    x = 10,950.18

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.