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Finding the Third Proportional to 5,240,639 and 11,111,126

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Solution

The third proportional to 5,240,639 and 11,111,126 is: 23,557,646.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,240,639 : 11,111,126 = 11,111,126 : x
  2. Step 2: Convert to fraction form
    5,240,639/11,111,126 = 11,111,126/x
  3. Step 3: Cross multiply
    5,240,639x = 11,111,126 × 11,111,126
  4. Step 4: Simplify right side
    5,240,639x = 123,457,120,987,876
  5. Step 5: Solve for x
    x = 123,457,120,987,876/5,240,639
  6. Step 6: Final answer
    x = 23,557,646.50

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.