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Finding the Third Proportional to 2,926.50 and 6,400.50

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Solution

The third proportional to 2,926.50 and 6,400.50 is: 13,998.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,926.50 : 6,400.50 = 6,400.50 : x
  2. Step 2: Convert to fraction form
    2,926.50/6,400.50 = 6,400.50/x
  3. Step 3: Cross multiply
    2,926.50x = 6,400.50 × 6,400.50
  4. Step 4: Simplify right side
    2,926.50x = 40,966,400.25
  5. Step 5: Solve for x
    x = 40,966,400.25/2,926.50
  6. Step 6: Final answer
    x = 13,998.43

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.