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Finding the Third Proportional to 72,064,608 and 158,541,984

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Solution

The third proportional to 72,064,608 and 158,541,984 is: 348,792,026.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,064,608 : 158,541,984 = 158,541,984 : x
  2. Step 2: Convert to fraction form
    72,064,608/158,541,984 = 158,541,984/x
  3. Step 3: Cross multiply
    72,064,608x = 158,541,984 × 158,541,984
  4. Step 4: Simplify right side
    72,064,608x = 25,135,560,690,656,256
  5. Step 5: Solve for x
    x = 25,135,560,690,656,256/72,064,608
  6. Step 6: Final answer
    x = 348,792,026.88

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These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.