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Finding the Third Proportional to 63,252,816 and 138,608,760

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Solution

The third proportional to 63,252,816 and 138,608,760 is: 303,739,652.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,252,816 : 138,608,760 = 138,608,760 : x
  2. Step 2: Convert to fraction form
    63,252,816/138,608,760 = 138,608,760/x
  3. Step 3: Cross multiply
    63,252,816x = 138,608,760 × 138,608,760
  4. Step 4: Simplify right side
    63,252,816x = 19,212,388,348,737,600
  5. Step 5: Solve for x
    x = 19,212,388,348,737,600/63,252,816
  6. Step 6: Final answer
    x = 303,739,652.46

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.