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Finding the Third Proportional to 148,161,602 and 319,079,555

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Solution

The third proportional to 148,161,602 and 319,079,555 is: 687,166,992.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,161,602 : 319,079,555 = 319,079,555 : x
  2. Step 2: Convert to fraction form
    148,161,602/319,079,555 = 319,079,555/x
  3. Step 3: Cross multiply
    148,161,602x = 319,079,555 × 319,079,555
  4. Step 4: Simplify right side
    148,161,602x = 101,811,762,418,998,032
  5. Step 5: Solve for x
    x = 101,811,762,418,998,032/148,161,602
  6. Step 6: Final answer
    x = 687,166,992.29

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.