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Finding the Third Proportional to 11,876,621 and 18,360,332

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Solution

The third proportional to 11,876,621 and 18,360,332 is: 28,383,644.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,876,621 : 18,360,332 = 18,360,332 : x
  2. Step 2: Convert to fraction form
    11,876,621/18,360,332 = 18,360,332/x
  3. Step 3: Cross multiply
    11,876,621x = 18,360,332 × 18,360,332
  4. Step 4: Simplify right side
    11,876,621x = 337,101,791,150,224
  5. Step 5: Solve for x
    x = 337,101,791,150,224/11,876,621
  6. Step 6: Final answer
    x = 28,383,644.74

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.