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Finding the Third Proportional to 5,178,744 and 11,385,360

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Solution

The third proportional to 5,178,744 and 11,385,360 is: 25,030,475.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,178,744 : 11,385,360 = 11,385,360 : x
  2. Step 2: Convert to fraction form
    5,178,744/11,385,360 = 11,385,360/x
  3. Step 3: Cross multiply
    5,178,744x = 11,385,360 × 11,385,360
  4. Step 4: Simplify right side
    5,178,744x = 129,626,422,329,600
  5. Step 5: Solve for x
    x = 129,626,422,329,600/5,178,744
  6. Step 6: Final answer
    x = 25,030,475.02

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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.