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Finding the Third Proportional to 31,747,226 and 68,906,548

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Solution

The third proportional to 31,747,226 and 68,906,548 is: 149,559,912.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,747,226 : 68,906,548 = 68,906,548 : x
  2. Step 2: Convert to fraction form
    31,747,226/68,906,548 = 68,906,548/x
  3. Step 3: Cross multiply
    31,747,226x = 68,906,548 × 68,906,548
  4. Step 4: Simplify right side
    31,747,226x = 4,748,112,357,276,304
  5. Step 5: Solve for x
    x = 4,748,112,357,276,304/31,747,226
  6. Step 6: Final answer
    x = 149,559,912.96

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.