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Finding the Third Proportional to 6,606.56 and 9,995.91

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Solution

The third proportional to 6,606.56 and 9,995.91 is: 15,124.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,606.56 : 9,995.91 = 9,995.91 : x
  2. Step 2: Convert to fraction form
    6,606.56/9,995.91 = 9,995.91/x
  3. Step 3: Cross multiply
    6,606.56x = 9,995.91 × 9,995.91
  4. Step 4: Simplify right side
    6,606.56x = 99,918,141.76
  5. Step 5: Solve for x
    x = 99,918,141.76/6,606.56
  6. Step 6: Final answer
    x = 15,124.07

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.