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Finding the Third Proportional to 219,639,208 and 331,709,760

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Solution

The third proportional to 219,639,208 and 331,709,760 is: 500,964,130.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,639,208 : 331,709,760 = 331,709,760 : x
  2. Step 2: Convert to fraction form
    219,639,208/331,709,760 = 331,709,760/x
  3. Step 3: Cross multiply
    219,639,208x = 331,709,760 × 331,709,760
  4. Step 4: Simplify right side
    219,639,208x = 110,031,364,879,257,600
  5. Step 5: Solve for x
    x = 110,031,364,879,257,600/219,639,208
  6. Step 6: Final answer
    x = 500,964,130.59

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.