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Finding the Third Proportional to 28,940,778,620 and 62,689,503,966

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Solution

The third proportional to 28,940,778,620 and 62,689,503,966 is: 135,793,648,094.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,940,778,620 : 62,689,503,966 = 62,689,503,966 : x
  2. Step 2: Convert to fraction form
    28,940,778,620/62,689,503,966 = 62,689,503,966/x
  3. Step 3: Cross multiply
    28,940,778,620x = 62,689,503,966 × 62,689,503,966
  4. Step 4: Simplify right side
    28,940,778,620x = 3,929,973,907,503,129,821,184
  5. Step 5: Solve for x
    x = 3,929,973,907,503,129,821,184/28,940,778,620
  6. Step 6: Final answer
    x = 135,793,648,094.43

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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.