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Finding the Third Proportional to 7,226,326 and 10,639,859

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Solution

The third proportional to 7,226,326 and 10,639,859 is: 15,665,858.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,226,326 : 10,639,859 = 10,639,859 : x
  2. Step 2: Convert to fraction form
    7,226,326/10,639,859 = 10,639,859/x
  3. Step 3: Cross multiply
    7,226,326x = 10,639,859 × 10,639,859
  4. Step 4: Simplify right side
    7,226,326x = 113,206,599,539,881
  5. Step 5: Solve for x
    x = 113,206,599,539,881/7,226,326
  6. Step 6: Final answer
    x = 15,665,858.35

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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.