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Finding the Third Proportional to 5,128,675,757.50 and 7,662,822,891

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Solution

The third proportional to 5,128,675,757.50 and 7,662,822,891 is: 11,449,125,941.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,128,675,757.50 : 7,662,822,891 = 7,662,822,891 : x
  2. Step 2: Convert to fraction form
    5,128,675,757.50/7,662,822,891 = 7,662,822,891/x
  3. Step 3: Cross multiply
    5,128,675,757.50x = 7,662,822,891 × 7,662,822,891
  4. Step 4: Simplify right side
    5,128,675,757.50x = 58,718,854,658,833,596,416
  5. Step 5: Solve for x
    x = 58,718,854,658,833,596,416/5,128,675,757.50
  6. Step 6: Final answer
    x = 11,449,125,941.13

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.