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Finding the Third Proportional to 7,226,326.50 and 10,639,860

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Solution

The third proportional to 7,226,326.50 and 10,639,860 is: 15,665,860.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,226,326.50 : 10,639,860 = 10,639,860 : x
  2. Step 2: Convert to fraction form
    7,226,326.50/10,639,860 = 10,639,860/x
  3. Step 3: Cross multiply
    7,226,326.50x = 10,639,860 × 10,639,860
  4. Step 4: Simplify right side
    7,226,326.50x = 113,206,620,819,600
  5. Step 5: Solve for x
    x = 113,206,620,819,600/7,226,326.50
  6. Step 6: Final answer
    x = 15,665,860.22

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.