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Finding the Third Proportional to 89,896,388 and 193,436,371

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Solution

The third proportional to 89,896,388 and 193,436,371 is: 416,230,623.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,896,388 : 193,436,371 = 193,436,371 : x
  2. Step 2: Convert to fraction form
    89,896,388/193,436,371 = 193,436,371/x
  3. Step 3: Cross multiply
    89,896,388x = 193,436,371 × 193,436,371
  4. Step 4: Simplify right side
    89,896,388x = 37,417,629,625,649,640
  5. Step 5: Solve for x
    x = 37,417,629,625,649,640/89,896,388
  6. Step 6: Final answer
    x = 416,230,623.48

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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.