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Finding the Third Proportional to 4,420.13 and 8,958.38

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Solution

The third proportional to 4,420.13 and 8,958.38 is: 18,156.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,420.13 : 8,958.38 = 8,958.38 : x
  2. Step 2: Convert to fraction form
    4,420.13/8,958.38 = 8,958.38/x
  3. Step 3: Cross multiply
    4,420.13x = 8,958.38 × 8,958.38
  4. Step 4: Simplify right side
    4,420.13x = 80,252,482.64
  5. Step 5: Solve for x
    x = 80,252,482.64/4,420.13
  6. Step 6: Final answer
    x = 18,156.16

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.