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Finding the Third Proportional to 25,122,328 and 54,418,211

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Solution

The third proportional to 25,122,328 and 54,418,211 is: 117,876,881.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,122,328 : 54,418,211 = 54,418,211 : x
  2. Step 2: Convert to fraction form
    25,122,328/54,418,211 = 54,418,211/x
  3. Step 3: Cross multiply
    25,122,328x = 54,418,211 × 54,418,211
  4. Step 4: Simplify right side
    25,122,328x = 2,961,341,688,440,521
  5. Step 5: Solve for x
    x = 2,961,341,688,440,521/25,122,328
  6. Step 6: Final answer
    x = 117,876,881.81

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.