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Finding the Third Proportional to 7,768,396 and 11,760,558

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Solution

The third proportional to 7,768,396 and 11,760,558 is: 17,804,283.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,768,396 : 11,760,558 = 11,760,558 : x
  2. Step 2: Convert to fraction form
    7,768,396/11,760,558 = 11,760,558/x
  3. Step 3: Cross multiply
    7,768,396x = 11,760,558 × 11,760,558
  4. Step 4: Simplify right side
    7,768,396x = 138,310,724,471,364
  5. Step 5: Solve for x
    x = 138,310,724,471,364/7,768,396
  6. Step 6: Final answer
    x = 17,804,283.47

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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.