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Finding the Third Proportional to 30,303,832 and 66,276,392

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Solution

The third proportional to 30,303,832 and 66,276,392 is: 144,950,649.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,303,832 : 66,276,392 = 66,276,392 : x
  2. Step 2: Convert to fraction form
    30,303,832/66,276,392 = 66,276,392/x
  3. Step 3: Cross multiply
    30,303,832x = 66,276,392 × 66,276,392
  4. Step 4: Simplify right side
    30,303,832x = 4,392,560,136,537,664
  5. Step 5: Solve for x
    x = 4,392,560,136,537,664/30,303,832
  6. Step 6: Final answer
    x = 144,950,649.69

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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.