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Finding the Third Proportional to 6,386.63 and 10,553.63

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Solution

The third proportional to 6,386.63 and 10,553.63 is: 17,439.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,386.63 : 10,553.63 = 10,553.63 : x
  2. Step 2: Convert to fraction form
    6,386.63/10,553.63 = 10,553.63/x
  3. Step 3: Cross multiply
    6,386.63x = 10,553.63 × 10,553.63
  4. Step 4: Simplify right side
    6,386.63x = 111,379,000.64
  5. Step 5: Solve for x
    x = 111,379,000.64/6,386.63
  6. Step 6: Final answer
    x = 17,439.41

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Why These Related Problems?

These problems maintain the same ratio (1.65) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.