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Finding the Third Proportional to 45,420,912 and 99,635,447

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Solution

The third proportional to 45,420,912 and 99,635,447 is: 218,560,611.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,420,912 : 99,635,447 = 99,635,447 : x
  2. Step 2: Convert to fraction form
    45,420,912/99,635,447 = 99,635,447/x
  3. Step 3: Cross multiply
    45,420,912x = 99,635,447 × 99,635,447
  4. Step 4: Simplify right side
    45,420,912x = 9,927,222,298,889,808
  5. Step 5: Solve for x
    x = 9,927,222,298,889,808/45,420,912
  6. Step 6: Final answer
    x = 218,560,611.44

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.