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Finding the Third Proportional to 6,166.13 and 7,900.88

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Solution

The third proportional to 6,166.13 and 7,900.88 is: 10,123.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,166.13 : 7,900.88 = 7,900.88 : x
  2. Step 2: Convert to fraction form
    6,166.13/7,900.88 = 7,900.88/x
  3. Step 3: Cross multiply
    6,166.13x = 7,900.88 × 7,900.88
  4. Step 4: Simplify right side
    6,166.13x = 62,423,825.77
  5. Step 5: Solve for x
    x = 62,423,825.77/6,166.13
  6. Step 6: Final answer
    x = 10,123.67

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Why These Related Problems?

These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.