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Finding the Third Proportional to 5,422,920 and 11,686,368

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Solution

The third proportional to 5,422,920 and 11,686,368 is: 25,184,070.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,422,920 : 11,686,368 = 11,686,368 : x
  2. Step 2: Convert to fraction form
    5,422,920/11,686,368 = 11,686,368/x
  3. Step 3: Cross multiply
    5,422,920x = 11,686,368 × 11,686,368
  4. Step 4: Simplify right side
    5,422,920x = 136,571,197,031,424
  5. Step 5: Solve for x
    x = 136,571,197,031,424/5,422,920
  6. Step 6: Final answer
    x = 25,184,070.03

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.