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Finding the Third Proportional to 3,330.81 and 7,332.08

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Solution

The third proportional to 3,330.81 and 7,332.08 is: 16,140.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,330.81 : 7,332.08 = 7,332.08 : x
  2. Step 2: Convert to fraction form
    3,330.81/7,332.08 = 7,332.08/x
  3. Step 3: Cross multiply
    3,330.81x = 7,332.08 × 7,332.08
  4. Step 4: Simplify right side
    3,330.81x = 53,759,426.91
  5. Step 5: Solve for x
    x = 53,759,426.91/3,330.81
  6. Step 6: Final answer
    x = 16,140.05

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.