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Finding the Third Proportional to 131,060,991 and 203,497,166.25

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Solution

The third proportional to 131,060,991 and 203,497,166.25 is: 315,968,133.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,060,991 : 203,497,166.25 = 203,497,166.25 : x
  2. Step 2: Convert to fraction form
    131,060,991/203,497,166.25 = 203,497,166.25/x
  3. Step 3: Cross multiply
    131,060,991x = 203,497,166.25 × 203,497,166.25
  4. Step 4: Simplify right side
    131,060,991x = 41,411,096,671,780,136
  5. Step 5: Solve for x
    x = 41,411,096,671,780,136/131,060,991
  6. Step 6: Final answer
    x = 315,968,133.28

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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.