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Finding the Third Proportional to 8,445.38 and 13,135.88

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Solution

The third proportional to 8,445.38 and 13,135.88 is: 20,431.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,445.38 : 13,135.88 = 13,135.88 : x
  2. Step 2: Convert to fraction form
    8,445.38/13,135.88 = 13,135.88/x
  3. Step 3: Cross multiply
    8,445.38x = 13,135.88 × 13,135.88
  4. Step 4: Simplify right side
    8,445.38x = 172,551,212.02
  5. Step 5: Solve for x
    x = 172,551,212.02/8,445.38
  6. Step 6: Final answer
    x = 20,431.44

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These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.