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Finding the Third Proportional to 6,213 and 13,516.50

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Solution

The third proportional to 6,213 and 13,516.50 is: 29,405.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,213 : 13,516.50 = 13,516.50 : x
  2. Step 2: Convert to fraction form
    6,213/13,516.50 = 13,516.50/x
  3. Step 3: Cross multiply
    6,213x = 13,516.50 × 13,516.50
  4. Step 4: Simplify right side
    6,213x = 182,695,772.25
  5. Step 5: Solve for x
    x = 182,695,772.25/6,213
  6. Step 6: Final answer
    x = 29,405.40

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.