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Finding the Third Proportional to 5,412,480 and 11,896,320

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Solution

The third proportional to 5,412,480 and 11,896,320 is: 26,147,427.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,412,480 : 11,896,320 = 11,896,320 : x
  2. Step 2: Convert to fraction form
    5,412,480/11,896,320 = 11,896,320/x
  3. Step 3: Cross multiply
    5,412,480x = 11,896,320 × 11,896,320
  4. Step 4: Simplify right side
    5,412,480x = 141,522,429,542,400
  5. Step 5: Solve for x
    x = 141,522,429,542,400/5,412,480
  6. Step 6: Final answer
    x = 26,147,427.71

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.