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Finding the Third Proportional to 5,374,997,020 and 8,345,487,930

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Solution

The third proportional to 5,374,997,020 and 8,345,487,930 is: 12,957,619,982.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,374,997,020 : 8,345,487,930 = 8,345,487,930 : x
  2. Step 2: Convert to fraction form
    5,374,997,020/8,345,487,930 = 8,345,487,930/x
  3. Step 3: Cross multiply
    5,374,997,020x = 8,345,487,930 × 8,345,487,930
  4. Step 4: Simplify right side
    5,374,997,020x = 69,647,168,789,775,687,680
  5. Step 5: Solve for x
    x = 69,647,168,789,775,687,680/5,374,997,020
  6. Step 6: Final answer
    x = 12,957,619,982.04

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.