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Finding the Third Proportional to 51,211,953.84 and 76,819,569.75

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Solution

The third proportional to 51,211,953.84 and 76,819,569.75 is: 115,231,813.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,211,953.84 : 76,819,569.75 = 76,819,569.75 : x
  2. Step 2: Convert to fraction form
    51,211,953.84/76,819,569.75 = 76,819,569.75/x
  3. Step 3: Cross multiply
    51,211,953.84x = 76,819,569.75 × 76,819,569.75
  4. Step 4: Simplify right side
    51,211,953.84x = 5,901,246,296,575,115
  5. Step 5: Solve for x
    x = 5,901,246,296,575,115/51,211,953.84
  6. Step 6: Final answer
    x = 115,231,813.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.