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Finding the Third Proportional to 66,704,116 and 144,542,372

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Solution

The third proportional to 66,704,116 and 144,542,372 is: 313,211,516.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,704,116 : 144,542,372 = 144,542,372 : x
  2. Step 2: Convert to fraction form
    66,704,116/144,542,372 = 144,542,372/x
  3. Step 3: Cross multiply
    66,704,116x = 144,542,372 × 144,542,372
  4. Step 4: Simplify right side
    66,704,116x = 20,892,497,303,386,384
  5. Step 5: Solve for x
    x = 20,892,497,303,386,384/66,704,116
  6. Step 6: Final answer
    x = 313,211,516.11

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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.