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Finding the Third Proportional to 6,805.69 and 10,140.19

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Solution

The third proportional to 6,805.69 and 10,140.19 is: 15,108.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,805.69 : 10,140.19 = 10,140.19 : x
  2. Step 2: Convert to fraction form
    6,805.69/10,140.19 = 10,140.19/x
  3. Step 3: Cross multiply
    6,805.69x = 10,140.19 × 10,140.19
  4. Step 4: Simplify right side
    6,805.69x = 102,823,402.54
  5. Step 5: Solve for x
    x = 102,823,402.54/6,805.69
  6. Step 6: Final answer
    x = 15,108.45

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.