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Finding the Third Proportional to 6,408 and 15,509.25

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Solution

The third proportional to 6,408 and 15,509.25 is: 37,536.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,408 : 15,509.25 = 15,509.25 : x
  2. Step 2: Convert to fraction form
    6,408/15,509.25 = 15,509.25/x
  3. Step 3: Cross multiply
    6,408x = 15,509.25 × 15,509.25
  4. Step 4: Simplify right side
    6,408x = 240,536,835.56
  5. Step 5: Solve for x
    x = 240,536,835.56/6,408
  6. Step 6: Final answer
    x = 37,536.96

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Why These Related Problems?

These problems maintain the same ratio (2.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.