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Finding the Third Proportional to 12,485,943 and 27,240,885

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Solution

The third proportional to 12,485,943 and 27,240,885 is: 59,432,100.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,485,943 : 27,240,885 = 27,240,885 : x
  2. Step 2: Convert to fraction form
    12,485,943/27,240,885 = 27,240,885/x
  3. Step 3: Cross multiply
    12,485,943x = 27,240,885 × 27,240,885
  4. Step 4: Simplify right side
    12,485,943x = 742,065,815,583,225
  5. Step 5: Solve for x
    x = 742,065,815,583,225/12,485,943
  6. Step 6: Final answer
    x = 59,432,100.21

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.