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Finding the Third Proportional to 5,409,672 and 11,422,959

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Solution

The third proportional to 5,409,672 and 11,422,959 is: 24,120,499.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,409,672 : 11,422,959 = 11,422,959 : x
  2. Step 2: Convert to fraction form
    5,409,672/11,422,959 = 11,422,959/x
  3. Step 3: Cross multiply
    5,409,672x = 11,422,959 × 11,422,959
  4. Step 4: Simplify right side
    5,409,672x = 130,483,992,315,681
  5. Step 5: Solve for x
    x = 130,483,992,315,681/5,409,672
  6. Step 6: Final answer
    x = 24,120,499.79

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.