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Finding the Third Proportional to 68,957,032 and 150,020,860

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Solution

The third proportional to 68,957,032 and 150,020,860 is: 326,380,903.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,957,032 : 150,020,860 = 150,020,860 : x
  2. Step 2: Convert to fraction form
    68,957,032/150,020,860 = 150,020,860/x
  3. Step 3: Cross multiply
    68,957,032x = 150,020,860 × 150,020,860
  4. Step 4: Simplify right side
    68,957,032x = 22,506,258,435,139,600
  5. Step 5: Solve for x
    x = 22,506,258,435,139,600/68,957,032
  6. Step 6: Final answer
    x = 326,380,903.91

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.