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Finding the Third Proportional to 7,069,472 and 11,212,194

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Solution

The third proportional to 7,069,472 and 11,212,194 is: 17,782,557.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,069,472 : 11,212,194 = 11,212,194 : x
  2. Step 2: Convert to fraction form
    7,069,472/11,212,194 = 11,212,194/x
  3. Step 3: Cross multiply
    7,069,472x = 11,212,194 × 11,212,194
  4. Step 4: Simplify right side
    7,069,472x = 125,713,294,293,636
  5. Step 5: Solve for x
    x = 125,713,294,293,636/7,069,472
  6. Step 6: Final answer
    x = 17,782,557.78

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.