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Finding the Third Proportional to 8,584,915,251 and 12,958,991,535

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Solution

The third proportional to 8,584,915,251 and 12,958,991,535 is: 19,561,691,256.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,584,915,251 : 12,958,991,535 = 12,958,991,535 : x
  2. Step 2: Convert to fraction form
    8,584,915,251/12,958,991,535 = 12,958,991,535/x
  3. Step 3: Cross multiply
    8,584,915,251x = 12,958,991,535 × 12,958,991,535
  4. Step 4: Simplify right side
    8,584,915,251x = 167,935,461,604,201,660,416
  5. Step 5: Solve for x
    x = 167,935,461,604,201,660,416/8,584,915,251
  6. Step 6: Final answer
    x = 19,561,691,256.61

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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.