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Finding the Third Proportional to 9,196,978 and 13,922,703

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Solution

The third proportional to 9,196,978 and 13,922,703 is: 21,076,668.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,196,978 : 13,922,703 = 13,922,703 : x
  2. Step 2: Convert to fraction form
    9,196,978/13,922,703 = 13,922,703/x
  3. Step 3: Cross multiply
    9,196,978x = 13,922,703 × 13,922,703
  4. Step 4: Simplify right side
    9,196,978x = 193,841,658,826,209
  5. Step 5: Solve for x
    x = 193,841,658,826,209/9,196,978
  6. Step 6: Final answer
    x = 21,076,668.75

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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.