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Finding the Third Proportional to 7,442,200 and 11,206,860

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Solution

The third proportional to 7,442,200 and 11,206,860 is: 16,875,884.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,442,200 : 11,206,860 = 11,206,860 : x
  2. Step 2: Convert to fraction form
    7,442,200/11,206,860 = 11,206,860/x
  3. Step 3: Cross multiply
    7,442,200x = 11,206,860 × 11,206,860
  4. Step 4: Simplify right side
    7,442,200x = 125,593,711,059,600
  5. Step 5: Solve for x
    x = 125,593,711,059,600/7,442,200
  6. Step 6: Final answer
    x = 16,875,884.96

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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.