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Finding the Third Proportional to 6,688.50 and 14,303.25

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Solution

The third proportional to 6,688.50 and 14,303.25 is: 30,587.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,688.50 : 14,303.25 = 14,303.25 : x
  2. Step 2: Convert to fraction form
    6,688.50/14,303.25 = 14,303.25/x
  3. Step 3: Cross multiply
    6,688.50x = 14,303.25 × 14,303.25
  4. Step 4: Simplify right side
    6,688.50x = 204,582,960.56
  5. Step 5: Solve for x
    x = 204,582,960.56/6,688.50
  6. Step 6: Final answer
    x = 30,587.27

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.